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) |
|---|---|
| 5 | 6 |
| 6 | 54 |
| 7 | 297 |
| 8 | 1341 |
| 9 | 5468 |
| 10 | 20519 |
| 11 | 72168 |
| 12 | 242886 |
| 13 | 791780 |
| 14 | 2514453 |
| 15 | 7814225 |
| 16 | 23863941 |
| 17 | 71835845 |
| 18 | 213601046 |
| 19 | 628450974 |
| 20 | 1832227629 |
| 21 | 5299559865 |
| 22 | 15221688836 |
| 23 | 43450246045 |
| 24 | 123345029035 |
| 25 | 348417524877 |
| 26 | 979803281560 |
[6,54,297,1341,5468,20519,72168,242886,791780, 2514453,7814225,23863941,71835845,213601046, 628450974,1832227629,5299559865,15221688836, 43450246045,123345029035,348417524877, 979803281560] |