Table of rnk8

n\k 1 2 3 4
1 1 0 0 0
2 0 0 0 0
3 0 1 0 0
4 0 1 1 0
5 0 1 3 1
6 0 1 13 7
7 0 1 56 91
8 0 1 325 3554
9 0 1 2099 204505
10 0 0 12869 11590334
11 0 0 72638 604.086920
12 0 0 373366 28879.817061
13 0 0 1747940 1.272795.531280
14 0 0 7483895 52.001650.585861
15 0 0 29423821 1979.520383.049923
16 0 0 106637754 70520.344315.332015
17 0 0 357510424 2.360356.896542.048839
18 0 0 1112.190820 74.482369.579154.308372
19 0 0 3219.395358 2222.710688.619874.879102
20 0 0 8692.208388 62902.712325.650682.530408
21 0 0 21937.246638 1.692382.497246.788615.360007
22 0 0 51851.336444 43.386533.104796.233417.822904
23 0 0 114974.238188 1062.026875.526401.784161.566999
24 0 0 239529.054134 24869.129335.015683.046824.169737
25 0 0 469476.153386 558063.262276.452459.506976.644169
26 0 0 866724.226014 12.019824.110562.514172.509192.124278
27 0 0 1.508741.020740 248.854876.955680.922137.398369.361280
28 0 0 2.478644.628938 4959.322190.759432.892097.629322.288017
29 0 0 3.846171.231502 95253.188284.585268.505825.329968.081628
30 0 0 5.641049.621948 1.765359.089540.974828.269775.806510.342692
31 0 0 7.824680.195686 31.605622.409523.876955.507106.388021.913296
32 0 0 10.269891.293495 547.172337.964881.987292.834272.644122.702374
33 0 0 12.759560.649363 9169.281905.896355.094282.855657.481528.008018
34 0 0 15.011246.790906 148865.988589.846703.278002.675351.100229.165874
35 0 0 16.726817.119830 2.343575.991800.158086.585308.400951.433938.568371
36 0 0 17.656084.392952 35.804633.208057.970705.962033.510762.871688.673164
37 0 0 17.656084.392952 531.263341.384427.727230.193095.646473.398487.635467
38 0 0 16.726817.119830 7661.376607.333326.170451.152654.021900.428707.086859
39 0 0 15.011246.790906 107455.718056.700754.231765.427680.482912.355608.549958
40 0 0 12.759560.649363 1.466770.551473.965295.242199.566972.951812.407007.456174
41 0 0 10.269891.293495 19.497315.867153.928924.472136.815580.294329.576277.027808
42 0 0 7.824680.195686 252.536662.660279.460354.704751.891534.839955.418111.205215
43 0 0 5.641049.621948 3189.009484.291435.976105.624635.244845.253307.290633.375269
44 0 0 3.846171.231502 39282.798647.408143.160204.399306.670129.945198.995143.367324
45 0 0 2.478644.628938 472266.534849.951232.214879.119722.859820.160314.670534.315981
46 0 0 1.508741.020740 5.543998.452586.384030.348493.614308.313363.885583.479471.546161
47 0 0 866724.226014 63.579046.083916.191326.762179.691748.798404.769107.850876.926385
48 0 0 469476.153386 712.615141.523893.977787.458184.463510.829227.364705.223821.149537
49 0 0 239529.054134 7809.680224.455736.042282.955488.976152.274597.234639.249710.763788
50 0 0 114974.238188 83719.772006.165490.373273.265977.330105.792754.946176.517134.413458