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| n | a(n) |
|---|---|
| 7 | 5 |
| 8 | 0 |
| 9 | 0 |
| 10 | 10 |
| 11 | 6 |
| 12 | 1 |
| 13 | 84 |
| 14 | 40 |
| 15 | 1662 |
| 16 | 8 |
| 17 | 276 |
| 18 | 1948 |
| 19 | 2220 |
| 20 | 1788 |
| 21 | 52903 |
| 22 | 63836 |
| 23 | 92548 |
| 24 | 108160 |
| 25 | 527238 |
| 26 | 691832 |
| 27 | 4591942 |
| 28 | 4085120 |
| 29 | 14751215 |
| 30 | 22719212 |
| 31 | 116689525 |
| 32 | 10635080 |
| 33 | 42281072 |
| 34 | 136612465 |
| 35 | 216703500 |
| 36 | 987830670 |
| 37 | 1083905462 |
| 38 | 3170868937 |
| 39 | 5311691060 |
| 40 | 8407495040 |
[5,0,0,10,6,1,84,40,1662,8,276,1948,2220,1788, 52903,63836,92548,108160,527238,691832,4591942, 4085120,14751215,22719212,116689525,10635080, 42281072,136612465,216703500,987830670,1083905462, 3170868937,5311691060,8407495040] |