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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 19 |
| 5 | 4 |
| 6 | 28 |
| 7 | 222 |
| 8 | 147 |
| 9 | 8 |
| 10 | 280 |
| 11 | 3194 |
| 12 | 4128 |
| 13 | 887 |
| 14 | 16 |
| 15 | 3640 |
| 16 | 55024 |
| 17 | 113566 |
| 18 | 52538 |
| 19 | 4835 |
| 20 | 32 |
| 21 | 58240 |
| 22 | 1107336 |
| 23 | 3268788 |
| 24 | 2562676 |
| 25 | 555684 |
| 26 | 25167 |
| 27 | 64 |
| 28 | 1106560 |
| 29 | 25526192 |
| 30 | 100544412 |
| 31 | 117517960 |
| 32 | 45415640 |
| 33 | 5301150 |
| 34 | 128203 |
| 35 | 128 |
| 36 | 24344320 |
| 37 | 663605680 |
| 38 | 3325767376 |
| 39 | 5352311764 |
| 40 | 3189383200 |
| 41 | 695714590 |
| 42 | 47537320 |
| 43 | 646519 |
| 44 | 256 |
| 45 | 608608000 |
| 46 | 19213911360 |
| 47 | 118361719296 |
| 48 | 248493947496 |
| 49 | 208996478388 |
| 50 | 72479948400 |
| 51 | 9696965250 |
| 52 | 410038434 |
| 53 | 3245139 |
| 54 | 512 |
[1,1,2,4,19,4,28,222,147,8,280,3194,4128,887,16, 3640,55024,113566,52538,4835,32,58240,1107336, 3268788,2562676,555684,25167,64,1106560,25526192, 100544412,117517960,45415640,5301150,128203,128, 24344320,663605680,3325767376,5352311764, 3189383200,695714590,47537320,646519,256, 608608000,19213911360,118361719296,248493947496, 208996478388,72479948400,9696965250,410038434, 3245139,512] |