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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 117 |
| 8 | 259 |
| 9 | 2279 |
| 10 | 5789 |
| 11 | 60955 |
| 12 | 163861 |
| 13 | 9576387 |
| 14 | 34012697 |
| 15 | 10076483081 |
| 16 | 49427387999 |
| 17 | 9949697912705 |
| 18 | 60225158985931 |
| 19 | 15793067759502057 |
| 20 | 116501021735138203 |
| 21 | 110213762112932651169 |
| 22 | 1030724751585178353123 |
[1,1,1,1,1,1,117,259,2279,5789,60955,163861, 9576387,34012697,10076483081,49427387999, 9949697912705,60225158985931,15793067759502057, 116501021735138203,110213762112932651169, 1030724751585178353123] |