n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 12 |
4 | 37 |
5 | 86 |
6 | 276 |
7 | 736 |
8 | 2261 |
9 | 6597 |
10 | 19870 |
11 | 59060 |
12 | 177780 |
13 | 531454 |
14 | 1595816 |
15 | 4783272 |
16 | 14353429 |
17 | 43046738 |
18 | 129154113 |
19 | 387420508 |
20 | 1162301342 |
21 | 3486786672 |
22 | 10460471356 |
23 | 31381059632 |
24 | 94143540948 |
25 | 282429536911 |
26 | 847289672390 |
27 | 2541865848120 |
28 | 7625600676808 |
[1,5,12,37,86,276,736,2261,6597,19870,59060, 177780,531454,1595816,4783272,14353429,43046738, 129154113,387420508,1162301342,3486786672, 10460471356,31381059632,94143540948,282429536911, 847289672390,2541865848120,7625600676808] |