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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 6 |
| 6 | 2 |
| 7 | 3 |
| 8 | 15 |
| 9 | 15 |
| 10 | 3 |
| 11 | 4 |
| 12 | 28 |
| 13 | 53 |
| 14 | 28 |
| 15 | 4 |
| 16 | 5 |
| 17 | 45 |
| 18 | 146 |
| 19 | 146 |
| 20 | 45 |
| 21 | 5 |
| 22 | 6 |
| 23 | 66 |
| 24 | 356 |
| 25 | 627 |
| 26 | 356 |
| 27 | 66 |
| 28 | 6 |
| 29 | 7 |
| 30 | 91 |
| 31 | 809 |
| 32 | 2471 |
| 33 | 2471 |
| 34 | 809 |
| 35 | 91 |
| 36 | 7 |
| 37 | 8 |
| 38 | 120 |
| 39 | 1759 |
| 40 | 9292 |
| 41 | 16213 |
| 42 | 9292 |
| 43 | 1759 |
| 44 | 120 |
| 45 | 8 |
| 46 | 9 |
| 47 | 153 |
| 48 | 3716 |
| 49 | 33878 |
| 50 | 103196 |
| 51 | 103196 |
| 52 | 33878 |
| 53 | 3716 |
| 54 | 153 |
| 55 | 9 |
| 56 | 10 |
| 57 | 190 |
| 58 | 7702 |
| 59 | 120771 |
| 60 | 642364 |
| 61 | 1123743 |
| 62 | 642364 |
| 63 | 120771 |
| 64 | 7702 |
| 65 | 190 |
| 66 | 10 |
[0,1,1,2,6,2,3,15,15,3,4,28,53,28,4,5,45,146,146, 45,5,6,66,356,627,356,66,6,7,91,809,2471,2471,809, 91,7,8,120,1759,9292,16213,9292,1759,120,8,9,153, 3716,33878,103196,103196,33878,3716,153,9,10,190, 7702,120771,642364,1123743,642364,120771,7702,190, 10] |