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 | 2 |
| 2 | 12 |
| 3 | 130 |
| 4 | 2082 |
| 5 | 44488 |
| 6 | 1192964 |
| 7 | 38557860 |
| 8 | 1459988440 |
| 9 | 63414711072 |
| 10 | 3108861424032 |
| 11 | 169829819311392 |
| 12 | 10230860299538400 |
| 13 | 673850170929176928 |
| 14 | 48176129912775680160 |
| 15 | 3715759452364764485280 |
| 16 | 307545698210584533055488 |
| 17 | 27190399275422185989742080 |
| 18 | 2557448587458299889542868480 |
[1,2,12,130,2082,44488,1192964,38557860, 1459988440,63414711072,3108861424032, 169829819311392,10230860299538400, 673850170929176928,48176129912775680160, 3715759452364764485280,307545698210584533055488, 27190399275422185989742080, 2557448587458299889542868480] |