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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 84 |
| 3 | 293 |
| 4 | 915 |
| 5 | 2546 |
| 6 | 6374 |
| 7 | 14536 |
| 8 | 30571 |
| 9 | 59969 |
| 10 | 110816 |
| 11 | 194535 |
| 12 | 326723 |
| 13 | 528084 |
| 14 | 825458 |
| 15 | 1252946 |
| 16 | 1853131 |
| 17 | 2678395 |
| 18 | 3792332 |
| 19 | 5271257 |
| 20 | 7205811 |
| 21 | 9702662 |
| 22 | 12886302 |
| 23 | 16900940 |
| 24 | 21912491 |
| 25 | 28110661 |
| 26 | 35711128 |
| 27 | 44957819 |
| 28 | 56125283 |
| 29 | 69521160 |
| 30 | 85488746 |
[23,84,293,915,2546,6374,14536,30571,59969,110816, 194535,326723,528084,825458,1252946,1853131, 2678395,3792332,5271257,7205811,9702662,12886302, 16900940,21912491,28110661,35711128,44957819, 56125283,69521160,85488746] |