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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 17 |
| 3 | 50 |
| 4 | 335 |
| 5 | 866 |
| 6 | 2942 |
| 7 | 13277 |
| 8 | 56237 |
| 9 | 228881 |
| 10 | 862148 |
| 11 | 3323631 |
| 12 | 13251496 |
| 13 | 53662892 |
| 14 | 215087507 |
| 15 | 848846709 |
| 16 | 3350015319 |
| 17 | 13308176712 |
| 18 | 53085757815 |
| 19 | 211514954392 |
| 20 | 840367835992 |
| 21 | 3336205123509 |
| 22 | 13258112907409 |
| 23 | 52741016443951 |
[5,17,50,335,866,2942,13277,56237,228881,862148, 3323631,13251496,53662892,215087507,848846709, 3350015319,13308176712,53085757815,211514954392, 840367835992,3336205123509,13258112907409, 52741016443951] |