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| n | a(n) |
|---|---|
| 1 | 7696 |
| 2 | 20724 |
| 3 | 56936 |
| 4 | 167688 |
| 5 | 503272 |
| 6 | 1597896 |
| 7 | 5162984 |
| 8 | 17479656 |
| 9 | 60126376 |
| 10 | 215032104 |
| 11 | 779519336 |
| 12 | 2918196648 |
| 13 | 11040350632 |
| 14 | 42883189416 |
| 15 | 167792882024 |
| 16 | 670921667496 |
| 17 | 2694321027496 |
| 18 | 11019119460264 |
| 19 | 45144426968936 |
[7696,20724,56936,167688,503272,1597896,5162984, 17479656,60126376,215032104,779519336,2918196648, 11040350632,42883189416,167792882024,670921667496, 2694321027496,11019119460264,45144426968936] |