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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 76 |
| 3 | 1120 |
| 4 | 16576 |
| 5 | 263680 |
| 6 | 4197376 |
| 7 | 67133440 |
| 8 | 1073790976 |
| 9 | 17180262400 |
| 10 | 274878693376 |
| 11 | 4398052802560 |
| 12 | 70368756760576 |
| 13 | 1125900007505920 |
| 14 | 18014398710808576 |
| 15 | 288230377762324480 |
| 16 | 4611686021648613376 |
| 17 | 73786976320608010240 |
| 18 | 1180591620768950910976 |
| 19 | 18889465931890897715200 |
[1,10,76,1120,16576,263680,4197376,67133440, 1073790976,17180262400,274878693376,4398052802560, 70368756760576,1125900007505920,18014398710808576, 288230377762324480,4611686021648613376, 73786976320608010240,1180591620768950910976, 18889465931890897715200] |