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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 0 |
| 7 | 4 |
| 8 | 7 |
| 9 | 4 |
| 10 | 1 |
| 11 | 11 |
| 12 | 36 |
| 13 | 42 |
| 14 | 18 |
| 15 | 2 |
| 16 | 14 |
| 17 | 121 |
| 18 | 344 |
| 19 | 259 |
| 20 | 48 |
| 21 | 2 |
| 22 | 29 |
| 23 | 518 |
| 24 | 2750 |
| 25 | 4068 |
| 26 | 1652 |
| 27 | 172 |
| 28 | 4 |
| 29 | 72 |
| 30 | 2059 |
| 31 | 21924 |
| 32 | 65461 |
| 33 | 52368 |
| 34 | 10962 |
| 35 | 588 |
| 36 | 9 |
| 37 | 127 |
| 38 | 8136 |
| 39 | 174986 |
| 40 | 1048950 |
| 41 | 1677940 |
| 42 | 699288 |
| 43 | 74998 |
| 44 | 2034 |
| 45 | 14 |
| 46 | 242 |
| 47 | 32893 |
| 48 | 1398576 |
| 49 | 16778791 |
| 50 | 53686584 |
| 51 | 44738782 |
| 52 | 9587880 |
| 53 | 524475 |
| 54 | 7308 |
| 55 | 24 |
[1,2,1,1,2,0,4,7,4,1,11,36,42,18,2,14,121,344,259, 48,2,29,518,2750,4068,1652,172,4,72,2059,21924, 65461,52368,10962,588,9,127,8136,174986,1048950, 1677940,699288,74998,2034,14,242,32893,1398576, 16778791,53686584,44738782,9587880,524475,7308,24] |