The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 145 |
| 3 | 1788 |
| 4 | 19591 |
| 5 | 200204 |
| 6 | 1971414 |
| 7 | 18847982 |
| 8 | 176668038 |
| 9 | 1629738420 |
| 10 | 14851460143 |
| 11 | 133983018272 |
| 12 | 1198816726867 |
| 13 | 10652116047394 |
| 14 | 94092052069550 |
| 15 | 826903484125628 |
| 16 | 7234834159717064 |
| 17 | 63053215344757166 |
| 18 | 547626807437714177 |
[10,145,1788,19591,200204,1971414,18847982, 176668038,1629738420,14851460143,133983018272, 1198816726867,10652116047394,94092052069550, 826903484125628,7234834159717064, 63053215344757166,547626807437714177] |