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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 29 |
| 3 | 113 |
| 4 | 494 |
| 5 | 2344 |
| 6 | 10587 |
| 7 | 48187 |
| 8 | 222804 |
| 9 | 1027173 |
| 10 | 4742274 |
| 11 | 21972140 |
| 12 | 101903425 |
| 13 | 473082512 |
| 14 | 2198914110 |
| 15 | 10228596580 |
| 16 | 47609298494 |
| 17 | 221722179703 |
| 18 | 1033032196334 |
| 19 | 4814686623467 |
| 20 | 22446378284036 |
| 21 | 104670487199231 |
| 22 | 488182725513963 |
[5,29,113,494,2344,10587,48187,222804,1027173, 4742274,21972140,101903425,473082512,2198914110, 10228596580,47609298494,221722179703, 1033032196334,4814686623467,22446378284036, 104670487199231,488182725513963] |