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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 22 |
| 4 | 95 |
| 5 | 117 |
| 6 | 212 |
| 7 | 1177 |
| 8 | 1389 |
| 9 | 3955 |
| 10 | 13254 |
| 11 | 17209 |
| 12 | 30463 |
| 13 | 47672 |
| 14 | 78135 |
| 15 | 125807 |
| 16 | 1713626 |
| 17 | 1839433 |
| 18 | 38502286 |
| 19 | 40341719 |
| 20 | 562944633 |
| 21 | 603286352 |
| 22 | 1166230985 |
| 23 | 1769517337 |
| 24 | 2935748322 |
| 25 | 4705265659 |
| 26 | 17051545299 |
| 27 | 38808356257 |
| 28 | 55859901556 |
| 29 | 318107864037 |
[1,1,7,22,95,117,212,1177,1389,3955,13254,17209, 30463,47672,78135,125807,1713626,1839433,38502286, 40341719,562944633,603286352,1166230985, 1769517337,2935748322,4705265659,17051545299, 38808356257,55859901556,318107864037] |