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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 28 |
| 3 | 496 |
| 4 | 33550336 |
| 5 | 8589869056 |
| 6 | 137438691328 |
| 7 | 2305843008139952128 |
| 8 | 2658455991569831744654692615953842176 |
| 9 | 191561942608236107294793378084303638130997321548169216 |
| 10 | 13164036458569648337239753460458722910223472318386943117783728128 |
[6,28,496,33550336,8589869056,137438691328, 2305843008139952128, 2658455991569831744654692615953842176, 19156194260823610729479337808430363813099732154816\ 9216, 13164036458569648337239753460458722910223472318386\ 943117783728128] |