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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 5 |
| 6 | 0 |
| 7 | 1 |
| 8 | 5 |
| 9 | 19 |
| 10 | 0 |
| 11 | 1 |
| 12 | 5 |
| 13 | 20 |
| 14 | 65 |
| 15 | 0 |
| 16 | 1 |
| 17 | 5 |
| 18 | 21 |
| 19 | 75 |
| 20 | 211 |
| 21 | 0 |
| 22 | 1 |
| 23 | 5 |
| 24 | 22 |
| 25 | 85 |
| 26 | 275 |
| 27 | 665 |
| 28 | 0 |
| 29 | 1 |
| 30 | 5 |
| 31 | 23 |
| 32 | 95 |
| 33 | 341 |
| 34 | 1000 |
| 35 | 2059 |
| 36 | 0 |
| 37 | 1 |
| 38 | 5 |
| 39 | 24 |
| 40 | 105 |
| 41 | 409 |
| 42 | 1365 |
| 43 | 3625 |
| 44 | 6305 |
| 45 | 0 |
| 46 | 1 |
| 47 | 5 |
| 48 | 25 |
| 49 | 115 |
| 50 | 479 |
| 51 | 1760 |
| 52 | 5461 |
| 53 | 13125 |
| 54 | 19171 |
| 55 | 0 |
| 56 | 1 |
| 57 | 5 |
| 58 | 26 |
| 59 | 125 |
| 60 | 551 |
| 61 | 2185 |
| 62 | 7573 |
| 63 | 21845 |
| 64 | 47500 |
| 65 | 58025 |
[0,0,1,0,1,5,0,1,5,19,0,1,5,20,65,0,1,5,21,75,211, 0,1,5,22,85,275,665,0,1,5,23,95,341,1000,2059,0,1, 5,24,105,409,1365,3625,6305,0,1,5,25,115,479,1760, 5461,13125,19171,0,1,5,26,125,551,2185,7573,21845, 47500,58025] |