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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 9 |
| 4 | 67 |
| 5 | 72 |
| 6 | 467 |
| 7 | 801 |
| 8 | 1071 |
| 9 | 5141 |
| 10 | 7193 |
| 11 | 25688 |
| 12 | 68488 |
| 13 | 97768 |
| 14 | 111816 |
| 15 | 381061 |
| 16 | 7829505 |
| 17 | 17079937 |
| 18 | 25615576 |
| 19 | 44582211 |
| 20 | 91110856 |
| 21 | 639359784 |
| 22 | 3492789629 |
[1,8,9,67,72,467,801,1071,5141,7193,25688,68488, 97768,111816,381061,7829505,17079937,25615576, 44582211,91110856,639359784,3492789629] |