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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 21 |
| 3 | 37 |
| 4 | 143 |
| 5 | 319 |
| 6 | 1359 |
| 7 | 7757 |
| 8 | 28535 |
| 9 | 104561 |
| 10 | 483316 |
| 11 | 2036051 |
| 12 | 7957330 |
| 13 | 33390346 |
| 14 | 141492687 |
| 15 | 577385102 |
| 16 | 2377565472 |
| 17 | 9936658069 |
| 18 | 41121426348 |
| 19 | 169582044493 |
| 20 | 703568436794 |
| 21 | 2917409515913 |
| 22 | 12064744257738 |
| 23 | 49955479170946 |
[64,21,37,143,319,1359,7757,28535,104561,483316, 2036051,7957330,33390346,141492687,577385102, 2377565472,9936658069,41121426348,169582044493, 703568436794,2917409515913,12064744257738, 49955479170946] |