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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 87 |
| 3 | 488 |
| 4 | 1957 |
| 5 | 6235 |
| 6 | 16919 |
| 7 | 40437 |
| 8 | 87914 |
| 9 | 176767 |
| 10 | 333702 |
| 11 | 597390 |
| 12 | 1023102 |
| 13 | 1685581 |
| 14 | 2687038 |
| 15 | 4160030 |
| 16 | 6277804 |
| 17 | 9258994 |
| 18 | 13381323 |
| 19 | 18984366 |
| 20 | 26491458 |
| 21 | 36409891 |
| 22 | 49357180 |
| 23 | 66063593 |
| 24 | 87404568 |
| 25 | 114396287 |
| 26 | 148245212 |
| 27 | 190335373 |
[8,87,488,1957,6235,16919,40437,87914,176767, 333702,597390,1023102,1685581,2687038,4160030, 6277804,9258994,13381323,18984366,26491458, 36409891,49357180,66063593,87404568,114396287, 148245212,190335373] |