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| n | a(n) |
|---|---|
| 1 | 174 |
| 2 | 862 |
| 3 | 4272 |
| 4 | 21182 |
| 5 | 105026 |
| 6 | 520788 |
| 7 | 2582406 |
| 8 | 12805334 |
| 9 | 63497776 |
| 10 | 314866606 |
| 11 | 1561330890 |
| 12 | 7742183252 |
| 13 | 38391228334 |
| 14 | 190370917646 |
| 15 | 943993962960 |
| 16 | 4680991358518 |
| 17 | 23211674211122 |
| 18 | 115099939580084 |
| 19 | 570747116572614 |
[174,862,4272,21182,105026,520788,2582406, 12805334,63497776,314866606,1561330890,7742183252, 38391228334,190370917646,943993962960, 4680991358518,23211674211122,115099939580084, 570747116572614] |