The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 467 |
| 3 | 21790 |
| 4 | 1142173 |
| 5 | 63520018 |
| 6 | 3648835932 |
| 7 | 213897742464 |
| 8 | 12712253739523 |
| 9 | 762954434250117 |
| 10 | 46132889929802552 |
| 11 | 2805893251846100894 |
| 12 | 171472537110465965686 |
| 13 | 10520216685129431413147 |
| 14 | 647576935194197811151494 |
[19,467,21790,1142173,63520018,3648835932, 213897742464,12712253739523,762954434250117, 46132889929802552,2805893251846100894, 171472537110465965686,10520216685129431413147, 647576935194197811151494] |