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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 14 |
| 5 | 44 |
| 6 | 104 |
| 7 | 224 |
| 8 | 495 |
| 9 | 735 |
| 10 | 2024 |
| 11 | 2079 |
| 12 | 5264 |
| 13 | 5984 |
| 14 | 21735 |
| 15 | 126224 |
| 16 | 201824 |
| 17 | 862784 |
| 18 | 1890944 |
| 19 | 2821455 |
| 20 | 6116175 |
| 21 | 7316000 |
| 22 | 14753024 |
| 23 | 23014719 |
| 24 | 38127375 |
| 25 | 80061344 |
| 26 | 205466624 |
| 27 | 391738599 |
| 28 | 879207615 |
| 29 | 1794220064 |
| 30 | 3199900599 |
| 31 | 3809727999 |
| 32 | 16916370624 |
[1,2,8,14,44,104,224,495,735,2024,2079,5264,5984, 21735,126224,201824,862784,1890944,2821455, 6116175,7316000,14753024,23014719,38127375, 80061344,205466624,391738599,879207615,1794220064, 3199900599,3809727999,16916370624] |