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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 9 |
| 19 | 0 |
| 20 | 20 |
| 21 | 0 |
| 22 | 33 |
| 23 | 0 |
| 24 | 48 |
| 25 | 0 |
| 26 | 65 |
| 27 | 9 |
| 28 | 84 |
| 29 | 29 |
| 30 | 105 |
| 31 | 62 |
| 32 | 128 |
| 33 | 110 |
| 34 | 153 |
| 35 | 175 |
| 36 | 189 |
| 37 | 259 |
| 38 | 247 |
| 39 | 364 |
| 40 | 340 |
| 41 | 492 |
| 42 | 483 |
| 43 | 645 |
| 44 | 693 |
| 45 | 834 |
| 46 | 989 |
| 47 | 1081 |
| 48 | 1392 |
| 49 | 1421 |
| 50 | 1925 |
| 51 | 1904 |
| 52 | 2613 |
| 53 | 2597 |
| 54 | 3492 |
| 55 | 3586 |
| 56 | 4620 |
| 57 | 4978 |
| 58 | 6090 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,20,0,33,0, 48,0,65,9,84,29,105,62,128,110,153,175,189,259, 247,364,340,492,483,645,693,834,989,1081,1392, 1421,1925,1904,2613,2597,3492,3586,4620,4978,6090] |