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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 5 |
| 2 | 16 |
| 3 | 29 |
| 4 | 256 |
| 5 | 563 |
| 6 | 1024 |
| 7 | 1487 |
| 8 | 4096 |
| 9 | 6779 |
| 10 | 65536 |
| 11 | 124367 |
| 12 | 262144 |
| 13 | 400151 |
| 14 | 17179869184 |
| 15 | 34359339617 |
| 16 | 274877906944 |
| 17 | 515396474423 |
| 18 | 19807040628566084398385987584 |
| 19 | 39614081257132168281375501017 |
| 20 | 324518553658426726783156020576256 |
| 21 | 648997493235596321398030665669353 |
[2,5,16,29,256,563,1024,1487,4096,6779,65536, 124367,262144,400151,17179869184,34359339617, 274877906944,515396474423, 19807040628566084398385987584, 39614081257132168281375501017, 324518553658426726783156020576256, 648997493235596321398030665669353] |