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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 10 |
| 12 | 12 |
| 13 | 84 |
| 14 | 366 |
| 15 | 510 |
| 16 | 732 |
| 17 | 876 |
| 18 | 1020 |
| 19 | 1098 |
| 20 | 1242 |
| 21 | 1464 |
| 22 | 10248 |
| 23 | 30252 |
| 24 | 31110 |
| 25 | 62220 |
| 26 | 103704 |
| 27 | 146541 |
| 28 | 3382050 |
| 29 | 3698730 |
| 30 | 4391268 |
| 31 | 225622530 |
| 32 | 272466250 |
| 33 | 413186676 |
| 34 | 713998530 |
| 35 | 801837204 |
| 36 | 848770222 |
| 37 | 912265732 |
[0,1,2,3,4,5,6,7,8,9,10,12,84,366,510,732,876, 1020,1098,1242,1464,10248,30252,31110,62220, 103704,146541,3382050,3698730,4391268,225622530, 272466250,413186676,713998530,801837204,848770222, 912265732] |