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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 1 |
| 3 | 15 |
| 4 | 6 |
| 5 | 1 |
| 6 | 28 |
| 7 | 15 |
| 8 | 6 |
| 9 | 1 |
| 10 | 45 |
| 11 | 28 |
| 12 | 15 |
| 13 | 6 |
| 14 | 1 |
| 15 | 66 |
| 16 | 45 |
| 17 | 28 |
| 18 | 15 |
| 19 | 6 |
| 20 | 1 |
| 21 | 91 |
| 22 | 66 |
| 23 | 45 |
| 24 | 28 |
| 25 | 15 |
| 26 | 6 |
| 27 | 1 |
| 28 | 120 |
| 29 | 91 |
| 30 | 66 |
| 31 | 45 |
| 32 | 28 |
| 33 | 15 |
| 34 | 6 |
| 35 | 1 |
| 36 | 153 |
| 37 | 120 |
| 38 | 91 |
| 39 | 66 |
| 40 | 45 |
| 41 | 28 |
| 42 | 15 |
| 43 | 6 |
| 44 | 1 |
| 45 | 190 |
| 46 | 153 |
| 47 | 120 |
| 48 | 91 |
| 49 | 66 |
| 50 | 45 |
| 51 | 28 |
| 52 | 15 |
| 53 | 6 |
| 54 | 1 |
| 55 | 231 |
| 56 | 190 |
| 57 | 153 |
| 58 | 120 |
| 59 | 91 |
| 60 | 66 |
| 61 | 45 |
| 62 | 28 |
| 63 | 15 |
| 64 | 6 |
| 65 | 1 |
| 66 | 276 |
| 67 | 231 |
| 68 | 190 |
| 69 | 153 |
| 70 | 120 |
| 71 | 91 |
| 72 | 66 |
[1,6,1,15,6,1,28,15,6,1,45,28,15,6,1,66,45,28,15, 6,1,91,66,45,28,15,6,1,120,91,66,45,28,15,6,1,153, 120,91,66,45,28,15,6,1,190,153,120,91,66,45,28,15, 6,1,231,190,153,120,91,66,45,28,15,6,1,276,231, 190,153,120,91,66] |