n | a(n) |
---|---|
2 | 1 |
3 | 10 |
4 | 62 |
5 | 384 |
6 | 1999 |
7 | 11214 |
8 | 55349 |
9 | 298990 |
10 | 1442299 |
11 | 7649710 |
12 | 36470860 |
13 | 191481848 |
14 | 906843279 |
15 | 4732185974 |
16 | 22320602389 |
17 | 116024453570 |
18 | 545848582951 |
19 | 2830099408460 |
20 | 13291841251589 |
21 | 68795053937132 |
22 | 322730986944375 |
23 | 1668347808464146 |
24 | 7820327627947825 |
25 | 40392358720899832 |
[1,10,62,384,1999,11214,55349,298990,1442299, 7649710,36470860,191481848,906843279,4732185974, 22320602389,116024453570,545848582951, 2830099408460,13291841251589,68795053937132, 322730986944375,1668347808464146,7820327627947825, 40392358720899832] |