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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 2 |
| 4 | 19 |
| 5 | 16 |
| 6 | 8 |
| 7 | 106 |
| 8 | 137 |
| 9 | 128 |
| 10 | 47 |
| 11 | 709 |
| 12 | 1254 |
| 13 | 1890 |
| 14 | 1372 |
| 15 | 473 |
| 16 | 5356 |
| 17 | 12597 |
| 18 | 27036 |
| 19 | 31007 |
| 20 | 22556 |
| 21 | 7190 |
| 22 | 44558 |
| 23 | 133518 |
| 24 | 379491 |
| 25 | 611322 |
| 26 | 704066 |
| 27 | 469632 |
| 28 | 144904 |
| 29 | 397146 |
| 30 | 1464725 |
| 31 | 5229092 |
| 32 | 11017122 |
| 33 | 17691240 |
| 34 | 18521632 |
| 35 | 11990766 |
| 36 | 3534490 |
| 37 | 3716039 |
| 38 | 16373700 |
| 39 | 70805740 |
| 40 | 186044902 |
| 41 | 387965547 |
| 42 | 563764626 |
| 43 | 571333104 |
| 44 | 352456980 |
| 45 | 100895667 |
[1,4,2,19,16,8,106,137,128,47,709,1254,1890,1372, 473,5356,12597,27036,31007,22556,7190,44558, 133518,379491,611322,704066,469632,144904,397146, 1464725,5229092,11017122,17691240,18521632, 11990766,3534490,3716039,16373700,70805740, 186044902,387965547,563764626,571333104,352456980, 100895667] |