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| n | a(n) |
|---|---|
| 1 | 4294967297 |
| 2 | 18446744073709551617 |
| 3 | 340282366920938463463374607431768211457 |
| 4 | 115792089237316195423570985008687907853269984665640564039457584007913129639937 |
[4294967297,18446744073709551617, 340282366920938463463374607431768211457, 11579208923731619542357098500868790785326998466564\ 0564039457584007913129639937] |