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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 30 |
| 2 | 573 |
| 3 | 8918 |
| 4 | 123669 |
| 5 | 1595958 |
| 6 | 19642141 |
| 7 | 234045366 |
| 8 | 2726478117 |
| 9 | 31257792566 |
| 10 | 354281953389 |
| 11 | 3982604010294 |
| 12 | 44504504288245 |
| 13 | 495188689219254 |
| 14 | 5492628385206717 |
| 15 | 60786003189650102 |
| 16 | 671598926425152453 |
[1,30,573,8918,123669,1595958,19642141,234045366, 2726478117,31257792566,354281953389,3982604010294, 44504504288245,495188689219254,5492628385206717, 60786003189650102,671598926425152453] |