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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 3 |
| 15 | 1 |
| 16 | 0 |
| 17 | 0 |
| 18 | 1 |
| 19 | 6 |
| 20 | 5 |
| 21 | 0 |
| 22 | 0 |
| 23 | 3 |
| 24 | 11 |
| 25 | 15 |
| 26 | 0 |
| 27 | 1 |
| 28 | 9 |
| 29 | 20 |
| 30 | 36 |
| 31 | 0 |
| 32 | 3 |
| 33 | 20 |
| 34 | 39 |
| 35 | 75 |
| 36 | 1 |
| 37 | 9 |
| 38 | 44 |
| 39 | 79 |
| 40 | 146 |
| 41 | 3 |
| 42 | 23 |
| 43 | 87 |
| 44 | 162 |
| 45 | 272 |
| 46 | 9 |
| 47 | 53 |
| 48 | 173 |
| 49 | 326 |
| 50 | 498 |
| 51 | 23 |
| 52 | 114 |
| 53 | 330 |
| 54 | 640 |
| 55 | 900 |
| 56 | 56 |
| 57 | 236 |
| 58 | 629 |
| 59 | 1217 |
| 60 | 1624 |
| 61 | 123 |
| 62 | 468 |
| 63 | 1175 |
| 64 | 2253 |
| 65 | 2907 |
| 66 | 263 |
| 67 | 905 |
| 68 | 2177 |
| 69 | 4072 |
| 70 | 5177 |
| 71 | 534 |
| 72 | 1710 |
| 73 | 3963 |
| 74 | 7216 |
| 75 | 9123 |
| 76 | 1058 |
[0,0,0,0,0,0,0,0,1,0,0,0,0,3,1,0,0,1,6,5,0,0,3,11, 15,0,1,9,20,36,0,3,20,39,75,1,9,44,79,146,3,23,87, 162,272,9,53,173,326,498,23,114,330,640,900,56, 236,629,1217,1624,123,468,1175,2253,2907,263,905, 2177,4072,5177,534,1710,3963,7216,9123,1058] |