n | a(n) |
---|---|
26 | 1 |
27 | 27 |
28 | 378 |
29 | 3654 |
30 | 27405 |
31 | 169911 |
32 | 906192 |
33 | 4272048 |
34 | 18156204 |
35 | 70607460 |
36 | 254186856 |
37 | 854992152 |
38 | 2707475148 |
39 | 8122425444 |
40 | 23206929840 |
41 | 63432274896 |
42 | 166509721602 |
43 | 421171648758 |
44 | 1029530696964 |
45 | 2438362177020 |
46 | 5608233007146 |
47 | 12551759587422 |
48 | 27385657281648 |
[1,27,378,3654,27405,169911,906192,4272048, 18156204,70607460,254186856,854992152,2707475148, 8122425444,23206929840,63432274896,166509721602, 421171648758,1029530696964,2438362177020, 5608233007146,12551759587422,27385657281648] |