The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 31 |
| 4 | 278 |
| 5 | 3287 |
| 6 | 48256 |
| 7 | 843567 |
| 8 | 17081639 |
| 9 | 392869430 |
| 10 | 10112244792 |
| 11 | 287927207846 |
| 12 | 8984122319997 |
| 13 | 304828239096197 |
| 14 | 11173376516829974 |
| 15 | 439988449921648076 |
| 16 | 18523908107054523591 |
| 17 | 830292183207722271065 |
| 18 | 39475390430795389762048 |
| 19 | 1984220622132901208082220 |
[1,1,5,31,278,3287,48256,843567,17081639, 392869430,10112244792,287927207846,8984122319997, 304828239096197,11173376516829974, 439988449921648076,18523908107054523591, 830292183207722271065,39475390430795389762048, 1984220622132901208082220] |