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A321053 as a simple table
| n | a(n) |
|---|---|
| 7 | 0 |
| 8 | 3973 |
| 9 | 46662 |
| 10 | 359724 |
| 11 | 2270840 |
| 12 | 12994207 |
| 13 | 71401928 |
| 14 | 389384029 |
| 15 | 2162806868 |
| 16 | 12393816965 |
| 17 | 72063175820 |
| 18 | 420431229772 |
| 19 | 2443816138204 |
| 20 | 14098735154983 |
| 21 | 80635213447724 |
| 22 | 457661900843292 |
| 23 | 2583741730021382 |
| 24 | 14552232847553984 |
| 25 | 81904772313605164 |
| 26 | 461011600699499344 |
[0,3973,46662,359724,2270840,12994207,71401928, 389384029,2162806868,12393816965,72063175820, 420431229772,2443816138204,14098735154983, 80635213447724,457661900843292,2583741730021382, 14552232847553984,81904772313605164, 461011600699499344] |