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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 67 |
| 4 | 137 |
| 5 | 204 |
| 6 | 9113 |
| 7 | 9317 |
| 8 | 27747 |
| 9 | 619751 |
| 10 | 1267249 |
| 11 | 1887000 |
| 12 | 84295249 |
| 13 | 86182249 |
| 14 | 256659747 |
| 15 | 5732696683 |
| 16 | 11722053113 |
| 17 | 17454749796 |
| 18 | 779731044137 |
| 19 | 797185793933 |
| 20 | 2374102632003 |
| 21 | 53027443697999 |
| 22 | 108428990028001 |
| 23 | 161456433726000 |
| 24 | 7212512073972001 |
[1,1,3,67,137,204,9113,9317,27747,619751,1267249, 1887000,84295249,86182249,256659747,5732696683, 11722053113,17454749796,779731044137,797185793933, 2374102632003,53027443697999,108428990028001, 161456433726000,7212512073972001] |