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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 14 |
| 3 | 65 |
| 4 | 391 |
| 5 | 1003 |
| 6 | 2602 |
| 7 | 10967 |
| 8 | 2178341 |
| 9 | 701408777 |
| 10 | 86267571326 |
| 11 | 591286729937 |
| 12 | 4052739537943 |
| 13 | 72723460248209 |
| 14 | 117669030461063 |
| 15 | 3416454622906783 |
| 16 | 61305790721611673 |
| 17 | 420196140727489759 |
| 18 | 2427893228399975082557 |
| 19 | 251728825683549488150424389 |
[10,14,65,391,1003,2602,10967,2178341,701408777, 86267571326,591286729937,4052739537943, 72723460248209,117669030461063,3416454622906783, 61305790721611673,420196140727489759, 2427893228399975082557, 251728825683549488150424389] |