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| n | a(n) |
|---|---|
| 0 | 12 |
| 1 | 25 |
| 2 | 37 |
| 3 | 99 |
| 4 | 235 |
| 5 | 569 |
| 6 | 804 |
| 7 | 2177 |
| 8 | 53052 |
| 9 | 108281 |
| 10 | 161333 |
| 11 | 430947 |
| 12 | 1023227 |
| 13 | 2477401 |
| 14 | 3500628 |
| 15 | 9478657 |
| 16 | 230988396 |
| 17 | 471455449 |
| 18 | 702443845 |
| 19 | 1876343139 |
| 20 | 4455130123 |
| 21 | 10786603385 |
| 22 | 15241733508 |
| 23 | 41270070401 |
| 24 | 1005723423132 |
| 25 | 2052716916665 |
| 26 | 3058440339797 |
| 27 | 8169597596259 |
[12,25,37,99,235,569,804,2177,53052,108281,161333, 430947,1023227,2477401,3500628,9478657,230988396, 471455449,702443845,1876343139,4455130123, 10786603385,15241733508,41270070401,1005723423132, 2052716916665,3058440339797,8169597596259] |