The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2228 |
| 2 | 30916 |
| 3 | 404844 |
| 4 | 5217808 |
| 5 | 67922876 |
| 6 | 889064156 |
| 7 | 11593920636 |
| 8 | 150933818096 |
| 9 | 1967718157060 |
| 10 | 25666289129712 |
| 11 | 334603096750484 |
| 12 | 4361467934769740 |
| 13 | 56861946338785396 |
| 14 | 741358063588817148 |
| 15 | 9665019767331628236 |
[2228,30916,404844,5217808,67922876,889064156, 11593920636,150933818096,1967718157060, 25666289129712,334603096750484,4361467934769740, 56861946338785396,741358063588817148, 9665019767331628236] |