The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 12 |
| 8 | 32 |
| 9 | 63 |
| 10 | 116 |
| 11 | 154 |
| 12 | 221 |
| 13 | 267 |
| 14 | 468 |
| 15 | 605 |
| 16 | 749 |
| 17 | 1911 |
| 18 | 7241 |
| 19 | 7406 |
| 20 | 7797 |
| 21 | 9428 |
| 22 | 11094 |
| 23 | 43917 |
| 24 | 44127 |
| 25 | 58384 |
| 26 | 131223 |
| 27 | 181127 |
[1,2,3,4,5,6,12,32,63,116,154,221,267,468,605,749, 1911,7241,7406,7797,9428,11094,43917,44127,58384, 131223,181127] |