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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 191 |
| 3 | 17519 |
| 4 | 2887921 |
| 5 | 742458253 |
| 6 | 273315477775 |
| 7 | 136025604432743 |
| 8 | 87816638377854497 |
| 9 | 71278145791452802133 |
| 10 | 70978809757898186241439 |
| 11 | 85023410230409691052228255 |
| 12 | 120545000629512292505954394769 |
| 13 | 199558149588334620585072909701981 |
| 14 | 381323441275017330119775857868585839 |
[1,5,191,17519,2887921,742458253,273315477775, 136025604432743,87816638377854497, 71278145791452802133,70978809757898186241439, 85023410230409691052228255, 120545000629512292505954394769, 199558149588334620585072909701981, 381323441275017330119775857868585839] |