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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 13 |
| 2 | 244 |
| 3 | 5397 |
| 4 | 130961 |
| 5 | 3372268 |
| 6 | 90497184 |
| 7 | 2503434117 |
| 8 | 70883043571 |
| 9 | 2044268649573 |
| 10 | 59842331451024 |
| 11 | 1773506049794412 |
| 12 | 53107658756034156 |
| 13 | 1604418047921589928 |
| 14 | 48841208603255888264 |
| 15 | 1496711470907670605157 |
| 16 | 46134317696761847385591 |
| 17 | 1429405788411234205692583 |
[1,13,244,5397,130961,3372268,90497184,2503434117, 70883043571,2044268649573,59842331451024, 1773506049794412,53107658756034156, 1604418047921589928,48841208603255888264, 1496711470907670605157,46134317696761847385591, 1429405788411234205692583] |