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| n | a(n) |
|---|---|
| 1 | 586508 |
| 2 | 1206693 |
| 3 | 3557566 |
| 4 | 11160591 |
| 5 | 22508196 |
| 6 | 64180262 |
| 7 | 159929222 |
| 8 | 422261032 |
| 9 | 1101303388 |
| 10 | 3062450549 |
| 11 | 8283415776 |
| 12 | 22818508394 |
| 13 | 62067929634 |
| 14 | 169576348216 |
| 15 | 462453098494 |
| 16 | 1264807420141 |
| 17 | 3453944249116 |
| 18 | 9439924872491 |
| 19 | 25783572217998 |
[586508,1206693,3557566,11160591,22508196, 64180262,159929222,422261032,1101303388, 3062450549,8283415776,22818508394,62067929634, 169576348216,462453098494,1264807420141, 3453944249116,9439924872491,25783572217998] |