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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 42 |
| 3 | 153 |
| 4 | 380 |
| 5 | 1271 |
| 6 | 5715 |
| 7 | 18992 |
| 8 | 70289 |
| 9 | 276303 |
| 10 | 1198933 |
| 11 | 4943025 |
| 12 | 20296911 |
| 13 | 87240442 |
| 14 | 391664186 |
| 15 | 1720317094 |
| 16 | 7452867091 |
| 17 | 33062937731 |
| 18 | 149393352532 |
| 19 | 666995403171 |
| 20 | 2953315553655 |
| 21 | 13219394330756 |
| 22 | 59630333269194 |
[32,42,153,380,1271,5715,18992,70289,276303, 1198933,4943025,20296911,87240442,391664186, 1720317094,7452867091,33062937731,149393352532, 666995403171,2953315553655,13219394330756, 59630333269194] |