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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 1 |
| 7 | 5 |
| 8 | 1 |
| 9 | 2 |
| 10 | 12 |
| 11 | 4 |
| 12 | 9 |
| 13 | 33 |
| 14 | 14 |
| 15 | 29 |
| 16 | 92 |
| 17 | 44 |
| 18 | 105 |
| 19 | 272 |
| 20 | 141 |
| 21 | 326 |
| 22 | 793 |
| 23 | 438 |
| 24 | 1069 |
| 25 | 2337 |
| 26 | 1362 |
| 27 | 3313 |
| 28 | 6938 |
| 29 | 4213 |
| 30 | 10636 |
| 31 | 20772 |
| 32 | 13089 |
| 33 | 32842 |
| 34 | 62398 |
| 35 | 40630 |
| 36 | 103676 |
| 37 | 187926 |
| 38 | 126201 |
| 39 | 319378 |
| 40 | 567076 |
| 41 | 391551 |
| 42 | 999680 |
| 43 | 1714404 |
| 44 | 1214219 |
| 45 | 3077337 |
| 46 | 5192627 |
[1,0,0,2,0,1,5,1,2,12,4,9,33,14,29,92,44,105,272, 141,326,793,438,1069,2337,1362,3313,6938,4213, 10636,20772,13089,32842,62398,40630,103676,187926, 126201,319378,567076,391551,999680,1714404, 1214219,3077337,5192627] |