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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 26 |
| 3 | 272 |
| 4 | 722 |
| 5 | 5270 |
| 6 | 5260 |
| 7 | 37358 |
| 8 | 18414 |
| 9 | 56216 |
| 10 | 95668 |
| 11 | 487714 |
| 12 | 99796 |
| 13 | 1304262 |
| 14 | 627046 |
| 15 | 593398 |
| 16 | 481982 |
| 17 | 7044222 |
| 18 | 931396 |
| 19 | 11570384 |
| 20 | 1602940 |
| 21 | 4037650 |
| 22 | 8694134 |
| 23 | 40220524 |
| 24 | 2069292 |
| 25 | 15855230 |
| 26 | 21686124 |
| 27 | 13215872 |
| 28 | 10948486 |
| 29 | 129952894 |
| 30 | 10451648 |
[1,26,272,722,5270,5260,37358,18414,56216,95668, 487714,99796,1304262,627046,593398,481982,7044222, 931396,11570384,1602940,4037650,8694134,40220524, 2069292,15855230,21686124,13215872,10948486, 129952894,10451648] |