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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 0 |
| 3 | 12 |
| 4 | 1 |
| 5 | 56 |
| 6 | 0 |
| 7 | 243 |
| 8 | 6 |
| 9 | 992 |
| 10 | 0 |
| 11 | 4033 |
| 12 | 16 |
| 13 | 16256 |
| 14 | 1 |
| 15 | 65336 |
| 16 | 104 |
| 17 | 261635 |
| 18 | 2 |
| 19 | 1047582 |
| 20 | 262 |
| 21 | 4192260 |
| 22 | 4 |
| 23 | 16774113 |
| 24 | 1680 |
| 25 | 67100912 |
| 26 | 65 |
| 27 | 268419072 |
| 28 | 4888 |
| 29 | 1073709577 |
| 30 | 0 |
| 31 | 4294916096 |
| 32 | 26639 |
| 33 | 17179740160 |
| 34 | 3169 |
| 35 | 68719214604 |
| 36 | 73728 |
| 37 | 274877391041 |
| 38 | 644 |
[1,2,0,12,1,56,0,243,6,992,0,4033,16,16256,1, 65336,104,261635,2,1047582,262,4192260,4,16774113, 1680,67100912,65,268419072,4888,1073709577,0, 4294916096,26639,17179740160,3169,68719214604, 73728,274877391041,644] |