The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 86 |
| 2 | 547 |
| 3 | 2982 |
| 4 | 19503 |
| 5 | 126851 |
| 6 | 866396 |
| 7 | 5921588 |
| 8 | 40973953 |
| 9 | 283765581 |
| 10 | 1972122444 |
| 11 | 13710377266 |
| 12 | 95395947525 |
| 13 | 663770545015 |
| 14 | 4619277813951 |
| 15 | 32145505935933 |
| 16 | 223706188296535 |
| 17 | 1556796061665136 |
| 18 | 10833978133171498 |
| 19 | 75395132198062729 |
[86,547,2982,19503,126851,866396,5921588,40973953, 283765581,1972122444,13710377266,95395947525, 663770545015,4619277813951,32145505935933, 223706188296535,1556796061665136, 10833978133171498,75395132198062729] |