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| n | a(n) |
|---|---|
| 1 | 680 |
| 2 | 540 |
| 3 | 618 |
| 4 | 992 |
| 5 | 1632 |
| 6 | 2386 |
| 7 | 4180 |
| 8 | 6552 |
| 9 | 10696 |
| 10 | 18236 |
| 11 | 28352 |
| 12 | 47594 |
| 13 | 80548 |
| 14 | 128248 |
| 15 | 216740 |
| 16 | 356714 |
| 17 | 584026 |
| 18 | 981652 |
| 19 | 1609356 |
| 20 | 2663806 |
| 21 | 4459244 |
| 22 | 7313942 |
| 23 | 12171062 |
| 24 | 20237510 |
| 25 | 33418882 |
| 26 | 55628622 |
| 27 | 92193244 |
| 28 | 152691570 |
| 29 | 254244632 |
[680,540,618,992,1632,2386,4180,6552,10696,18236, 28352,47594,80548,128248,216740,356714,584026, 981652,1609356,2663806,4459244,7313942,12171062, 20237510,33418882,55628622,92193244,152691570, 254244632] |