n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 24 |
4 | 66 |
5 | 184 |
6 | 488 |
7 | 1248 |
8 | 3136 |
9 | 7776 |
10 | 18780 |
11 | 44880 |
12 | 105896 |
13 | 246124 |
14 | 567008 |
15 | 1293840 |
16 | 2920626 |
17 | 6545352 |
18 | 14555388 |
19 | 32115120 |
20 | 70421792 |
21 | 153451488 |
22 | 332314512 |
23 | 715843200 |
24 | 1534016392 |
25 | 3270661294 |
26 | 6941489040 |
27 | 14667591672 |
28 | 30859685088 |
29 | 64670865304 |
30 | 135011595856 |
31 | 280813639680 |
[1,2,8,24,66,184,488,1248,3136,7776,18780,44880, 105896,246124,567008,1293840,2920626,6545352, 14555388,32115120,70421792,153451488,332314512, 715843200,1534016392,3270661294,6941489040, 14667591672,30859685088,64670865304,135011595856, 280813639680] |