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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 14 |
| 4 | 32 |
| 5 | 345 |
| 6 | 810 |
| 7 | 10492 |
| 8 | 24880 |
| 9 | 356252 |
| 10 | 848992 |
| 11 | 12946094 |
| 12 | 30942208 |
| 13 | 492621678 |
| 14 | 1179648292 |
| 15 | 19379467704 |
| 16 | 46468665184 |
| 17 | 781821568212 |
| 18 | 1876521420624 |
| 19 | 32169136799832 |
| 20 | 77270414837888 |
| 21 | 1344812759618473 |
| 22 | 3232175494812466 |
| 23 | 56957048059132524 |
| 24 | 136958995341531504 |
[1,1,2,14,32,345,810,10492,24880,356252,848992, 12946094,30942208,492621678,1179648292, 19379467704,46468665184,781821568212, 1876521420624,32169136799832,77270414837888, 1344812759618473,3232175494812466, 56957048059132524,136958995341531504] |