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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 676 |
| 3 | 3838 |
| 4 | 7064 |
| 5 | 13446 |
| 6 | 23216 |
| 7 | 37462 |
| 8 | 57468 |
| 9 | 87252 |
| 10 | 135112 |
| 11 | 211998 |
| 12 | 333400 |
| 13 | 526832 |
| 14 | 834536 |
| 15 | 1322878 |
| 16 | 2100904 |
| 17 | 3340468 |
| 18 | 5310496 |
| 19 | 8440806 |
| 20 | 13411668 |
| 21 | 21294588 |
| 22 | 33787028 |
| 23 | 53571622 |
| 24 | 84875628 |
| 25 | 134369192 |
| 26 | 212570368 |
| 27 | 336041114 |
| 28 | 530858836 |
[0,676,3838,7064,13446,23216,37462,57468,87252, 135112,211998,333400,526832,834536,1322878, 2100904,3340468,5310496,8440806,13411668,21294588, 33787028,53571622,84875628,134369192,212570368, 336041114,530858836] |