The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 7 |
| 1 | 113 |
| 2 | 1808 |
| 3 | 28928 |
| 4 | 462849 |
| 5 | 7405582 |
| 6 | 118489311 |
| 7 | 1895828980 |
| 8 | 30333263677 |
| 9 | 485332218825 |
| 10 | 7765315501194 |
| 11 | 124245048019102 |
| 12 | 1987920768305639 |
| 13 | 31806732292890228 |
| 14 | 508907716686243641 |
| 15 | 8142523466979898252 |
[7,113,1808,28928,462849,7405582,118489311, 1895828980,30333263677,485332218825,7765315501194, 124245048019102,1987920768305639, 31806732292890228,508907716686243641, 8142523466979898252] |