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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 1 |
| 4 | 4 |
| 5 | 16 |
| 6 | 1 |
| 7 | 4 |
| 8 | 11 |
| 9 | 42 |
| 10 | 1 |
| 11 | 4 |
| 12 | 10 |
| 13 | 26 |
| 14 | 99 |
| 15 | 1 |
| 16 | 4 |
| 17 | 10 |
| 18 | 21 |
| 19 | 57 |
| 20 | 219 |
| 21 | 1 |
| 22 | 4 |
| 23 | 10 |
| 24 | 20 |
| 25 | 42 |
| 26 | 120 |
| 27 | 466 |
| 28 | 1 |
| 29 | 4 |
| 30 | 10 |
| 31 | 20 |
| 32 | 36 |
| 33 | 84 |
| 34 | 247 |
| 35 | 968 |
| 36 | 1 |
| 37 | 4 |
| 38 | 10 |
| 39 | 20 |
| 40 | 35 |
| 41 | 64 |
| 42 | 169 |
| 43 | 502 |
| 44 | 1981 |
| 45 | 1 |
| 46 | 4 |
| 47 | 10 |
| 48 | 20 |
| 49 | 35 |
| 50 | 57 |
| 51 | 120 |
| 52 | 340 |
| 53 | 1013 |
| 54 | 4017 |
| 55 | 1 |
| 56 | 4 |
| 57 | 10 |
| 58 | 20 |
| 59 | 35 |
| 60 | 56 |
| 61 | 93 |
| 62 | 240 |
| 63 | 682 |
| 64 | 2036 |
| 65 | 8100 |
[1,1,5,1,4,16,1,4,11,42,1,4,10,26,99,1,4,10,21,57, 219,1,4,10,20,42,120,466,1,4,10,20,36,84,247,968, 1,4,10,20,35,64,169,502,1981,1,4,10,20,35,57,120, 340,1013,4017,1,4,10,20,35,56,93,240,682,2036, 8100] |