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) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 38 |
| 4 | 93 |
| 5 | 200 |
| 6 | 547 |
| 7 | 1685 |
| 8 | 4932 |
| 9 | 13343 |
| 10 | 35901 |
| 11 | 99603 |
| 12 | 280909 |
| 13 | 785677 |
| 14 | 2175329 |
| 15 | 6019355 |
| 16 | 16730920 |
| 17 | 46595762 |
| 18 | 129615164 |
| 19 | 360051905 |
| 20 | 1000167816 |
| 21 | 2780017546 |
| 22 | 7729131408 |
| 23 | 21485039780 |
| 24 | 59712094301 |
| 25 | 165955469526 |
| 26 | 461272868992 |
[1,10,38,93,200,547,1685,4932,13343,35901,99603, 280909,785677,2175329,6019355,16730920,46595762, 129615164,360051905,1000167816,2780017546, 7729131408,21485039780,59712094301,165955469526, 461272868992] |