The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 0 |
| 4 | 23 |
| 5 | 24 |
| 6 | 107 |
| 7 | 22 |
| 8 | 349 |
| 9 | 499 |
| 10 | 1554 |
| 11 | 211 |
| 12 | 5666 |
| 13 | 6827 |
| 14 | 28638 |
| 15 | 6177 |
| 16 | 82861 |
| 17 | 121051 |
| 18 | 418486 |
| 19 | 18921 |
| 20 | 1507345 |
| 21 | 1605589 |
| 22 | 7028859 |
| 23 | 1564428 |
| 24 | 22818913 |
| 25 | 32605965 |
| 26 | 101986415 |
| 27 | 14268272 |
| 28 | 371255687 |
| 29 | 447615156 |
| 30 | 1878054653 |
| 31 | 404154631 |
| 32 | 5433307252 |
| 33 | 7921485597 |
[1,1,7,0,23,24,107,22,349,499,1554,211,5666,6827, 28638,6177,82861,121051,418486,18921,1507345, 1605589,7028859,1564428,22818913,32605965, 101986415,14268272,371255687,447615156,1878054653, 404154631,5433307252,7921485597] |