The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 11 |
| 3 | 50 |
| 4 | 160 |
| 5 | 387 |
| 6 | 792 |
| 7 | 1480 |
| 8 | 2511 |
| 9 | 4001 |
| 10 | 6104 |
| 11 | 8943 |
| 12 | 12623 |
| 13 | 17396 |
| 14 | 23374 |
| 15 | 30765 |
| 16 | 39803 |
| 17 | 50707 |
| 18 | 63656 |
| 19 | 79050 |
| 20 | 96985 |
| 21 | 117795 |
| 22 | 141871 |
| 23 | 169444 |
| 24 | 200754 |
| 25 | 236327 |
| 26 | 276397 |
| 27 | 321322 |
| 28 | 371547 |
| 29 | 427471 |
| 30 | 489342 |
| 31 | 557906 |
| 32 | 633285 |
| 33 | 716040 |
| 34 | 806754 |
[0,1,11,50,160,387,792,1480,2511,4001,6104,8943, 12623,17396,23374,30765,39803,50707,63656,79050, 96985,117795,141871,169444,200754,236327,276397, 321322,371547,427471,489342,557906,633285,716040, 806754] |