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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 16 |
| 4 | 113 |
| 5 | 956 |
| 6 | 9382 |
| 7 | 105253 |
| 8 | 1334517 |
| 9 | 18904936 |
| 10 | 295787126 |
| 11 | 5056826039 |
| 12 | 93594929738 |
| 13 | 1861321879535 |
| 14 | 39536014577711 |
| 15 | 892763601542509 |
| 16 | 21352130132268541 |
| 17 | 539243894127067888 |
| 18 | 14342761454293102006 |
| 19 | 400830115867761118963 |
| 20 | 11743833994363640228070 |
[1,1,3,16,113,956,9382,105253,1334517,18904936, 295787126,5056826039,93594929738,1861321879535, 39536014577711,892763601542509,21352130132268541, 539243894127067888,14342761454293102006, 400830115867761118963,11743833994363640228070] |