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A001146 as a simple table
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 4 |
| 2 | 16 |
| 3 | 256 |
| 4 | 65536 |
| 5 | 4294967296 |
| 6 | 18446744073709551616 |
| 7 | 340282366920938463463374607431768211456 |
| 8 | 115792089237316195423570985008687907853269984665640564039457584007913129639936 |
[2,4,16,256,65536,4294967296,18446744073709551616, 340282366920938463463374607431768211456, 11579208923731619542357098500868790785326998466564\ 0564039457584007913129639936] |