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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 28 |
| 4 | 8 |
| 5 | 496 |
| 6 | 96 |
| 7 | 8128 |
| 8 | 2176 |
| 9 | 130816 |
| 10 | 15872 |
| 11 | 2096128 |
| 12 | 6144 |
| 13 | 33550336 |
| 14 | 44736512 |
| 15 | 536854528 |
| 16 | 8421376 |
| 17 | 8589869056 |
| 18 | 86114304 |
| 19 | 137438691328 |
| 20 | 3331850240 |
| 21 | 2199022206976 |
| 22 | 127479578624 |
| 23 | 35184367894528 |
| 24 | 103104380928 |
| 25 | 562949936644096 |
| 26 | 750599926710272 |
| 27 | 9007199187632128 |
[0,1,2,28,8,496,96,8128,2176,130816,15872,2096128, 6144,33550336,44736512,536854528,8421376, 8589869056,86114304,137438691328,3331850240, 2199022206976,127479578624,35184367894528, 103104380928,562949936644096,750599926710272, 9007199187632128] |