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| n | a(n) |
|---|---|
| 0 | 41 |
| 1 | 1513 |
| 2 | 19689 |
| 3 | 175465 |
| 4 | 1287657 |
| 5 | 8420713 |
| 6 | 51126249 |
| 7 | 295141225 |
| 8 | 1644285417 |
| 9 | 8927926633 |
| 10 | 47563308009 |
| 11 | 249806529385 |
| 12 | 1297882995177 |
| 13 | 6687496584553 |
| 14 | 34237868091369 |
| 15 | 174415093507945 |
| 16 | 885051189224937 |
| 17 | 4477377106010473 |
| 18 | 22596025278436329 |
| 19 | 113818651291052905 |
[41,1513,19689,175465,1287657,8420713,51126249, 295141225,1644285417,8927926633,47563308009, 249806529385,1297882995177,6687496584553, 34237868091369,174415093507945,885051189224937, 4477377106010473,22596025278436329, 113818651291052905] |