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| n | a(n) |
|---|---|
| 1 | 216 |
| 2 | 283 |
| 3 | 637 |
| 4 | 1478 |
| 5 | 3261 |
| 6 | 6780 |
| 7 | 13314 |
| 8 | 24862 |
| 9 | 44426 |
| 10 | 76378 |
| 11 | 126906 |
| 12 | 204583 |
| 13 | 321038 |
| 14 | 491781 |
| 15 | 737163 |
| 16 | 1083525 |
| 17 | 1564519 |
| 18 | 2222657 |
| 19 | 3111073 |
| 20 | 4295556 |
| 21 | 5856841 |
| 22 | 7893218 |
| 23 | 10523448 |
| 24 | 13890048 |
| 25 | 18162936 |
| 26 | 23543500 |
| 27 | 30269084 |
| 28 | 38617957 |
| 29 | 48914760 |
| 30 | 61536499 |
[216,283,637,1478,3261,6780,13314,24862,44426, 76378,126906,204583,321038,491781,737163,1083525, 1564519,2222657,3111073,4295556,5856841,7893218, 10523448,13890048,18162936,23543500,30269084, 38617957,48914760,61536499] |