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| n | a(n) |
|---|---|
| 1 | 40 |
| 2 | 825 |
| 3 | 17718 |
| 4 | 379397 |
| 5 | 7838610 |
| 6 | 157109231 |
| 7 | 3053953408 |
| 8 | 58004548986 |
| 9 | 1079249449510 |
| 10 | 19767161106242 |
| 11 | 357114500472550 |
| 12 | 6382421843315156 |
| 13 | 112996863345488574 |
| 14 | 1985335360177376640 |
| 15 | 34647966432663124048 |
[40,825,17718,379397,7838610,157109231,3053953408, 58004548986,1079249449510,19767161106242, 357114500472550,6382421843315156, 112996863345488574,1985335360177376640, 34647966432663124048] |