| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 13 |
| 5 | 1 |
| 6 | 36 |
| 7 | 6 |
| 8 | 105 |
| 9 | 27 |
| 10 | 320 |
| 11 | 108 |
| 12 | 1 |
| 13 | 1011 |
| 14 | 409 |
| 15 | 10 |
| 16 | 3289 |
| 17 | 1508 |
| 18 | 65 |
| 19 | 10957 |
| 20 | 5491 |
| 21 | 347 |
| 22 | 1 |
| 23 | 37216 |
| 24 | 19898 |
| 25 | 1658 |
| 26 | 14 |
| 27 | 128435 |
| 28 | 72063 |
| 29 | 7395 |
| 30 | 119 |
| 31 | 449142 |
| 32 | 261436 |
| 33 | 31527 |
| 34 | 794 |
| 35 | 1 |
| 36 | 1588228 |
| 37 | 951258 |
| 38 | 130353 |
| 39 | 4583 |
| 40 | 18 |
[1,1,2,5,13,1,36,6,105,27,320,108,1,1011,409,10, 3289,1508,65,10957,5491,347,1,37216,19898,1658,14, 128435,72063,7395,119,449142,261436,31527,794,1, 1588228,951258,130353,4583,18] |