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A203976 as a simple table
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 4 |
| 4 | 15 |
| 5 | 11 |
| 6 | 40 |
| 7 | 29 |
| 8 | 105 |
| 9 | 76 |
| 10 | 275 |
| 11 | 199 |
| 12 | 720 |
| 13 | 521 |
| 14 | 1885 |
| 15 | 1364 |
| 16 | 4935 |
| 17 | 3571 |
| 18 | 12920 |
| 19 | 9349 |
| 20 | 33825 |
| 21 | 24476 |
| 22 | 88555 |
| 23 | 64079 |
| 24 | 231840 |
| 25 | 167761 |
| 26 | 606965 |
| 27 | 439204 |
| 28 | 1589055 |
| 29 | 1149851 |
| 30 | 4160200 |
| 31 | 3010349 |
| 32 | 10891545 |
| 33 | 7881196 |
| 34 | 28514435 |
| 35 | 20633239 |
| 36 | 74651760 |
| 37 | 54018521 |
| 38 | 195440845 |
[0,1,5,4,15,11,40,29,105,76,275,199,720,521,1885, 1364,4935,3571,12920,9349,33825,24476,88555,64079, 231840,167761,606965,439204,1589055,1149851, 4160200,3010349,10891545,7881196,28514435, 20633239,74651760,54018521,195440845] |