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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 31 |
| 4 | 77 |
| 5 | 156 |
| 6 | 278 |
| 7 | 451 |
| 8 | 687 |
| 9 | 995 |
| 10 | 1385 |
| 11 | 1869 |
| 12 | 2456 |
| 13 | 3159 |
| 14 | 3987 |
| 15 | 4952 |
| 16 | 6065 |
| 17 | 7337 |
| 18 | 8781 |
| 19 | 10406 |
| 20 | 12226 |
| 21 | 14251 |
| 22 | 16494 |
| 23 | 18966 |
| 24 | 21680 |
| 25 | 24646 |
| 26 | 27878 |
| 27 | 31387 |
| 28 | 35186 |
| 29 | 39287 |
| 30 | 43703 |
| 31 | 48445 |
| 32 | 53526 |
| 33 | 58959 |
| 34 | 64756 |
| 35 | 70930 |
| 36 | 77494 |
| 37 | 84459 |
| 38 | 91840 |
| 39 | 99649 |
[1,8,31,77,156,278,451,687,995,1385,1869,2456, 3159,3987,4952,6065,7337,8781,10406,12226,14251, 16494,18966,21680,24646,27878,31387,35186,39287, 43703,48445,53526,58959,64756,70930,77494,84459, 91840,99649] |