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| n | a(n) |
|---|---|
| 0 | 30 |
| 1 | 121 |
| 2 | 151 |
| 3 | 272 |
| 4 | 423 |
| 5 | 1118 |
| 6 | 1541 |
| 7 | 2659 |
| 8 | 17495 |
| 9 | 125124 |
| 10 | 267743 |
| 11 | 660610 |
| 12 | 12819333 |
| 13 | 13479943 |
| 14 | 39779219 |
| 15 | 53259162 |
| 16 | 252815867 |
| 17 | 306075029 |
| 18 | 864965925 |
| 19 | 1171040954 |
| 20 | 23114744051 |
| 21 | 47400529056 |
| 22 | 117915802163 |
[30,121,151,272,423,1118,1541,2659,17495,125124, 267743,660610,12819333,13479943,39779219,53259162, 252815867,306075029,864965925,1171040954, 23114744051,47400529056,117915802163] |