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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 367 |
| 3 | 4566 |
| 4 | 50449 |
| 5 | 516348 |
| 6 | 5012659 |
| 7 | 46832082 |
| 8 | 425124997 |
| 9 | 3774414072 |
| 10 | 32930084551 |
| 11 | 283309497198 |
| 12 | 2409910756345 |
| 13 | 20309449295796 |
| 14 | 169843460626843 |
| 15 | 1411263104458314 |
| 16 | 11663354948539693 |
| 17 | 95953443568179120 |
[1,24,367,4566,50449,516348,5012659,46832082, 425124997,3774414072,32930084551,283309497198, 2409910756345,20309449295796,169843460626843, 1411263104458314,11663354948539693, 95953443568179120] |