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| n | a(n) |
|---|---|
| 10 | 1 |
| 11 | 4 |
| 12 | 13 |
| 13 | 36 |
| 14 | 80 |
| 15 | 160 |
| 16 | 291 |
| 17 | 496 |
| 18 | 794 |
| 19 | 1226 |
| 20 | 1821 |
| 21 | 2632 |
| 22 | 3691 |
| 23 | 5080 |
| 24 | 6840 |
| 25 | 9070 |
| 26 | 11826 |
| 27 | 15228 |
| 28 | 19344 |
| 29 | 24332 |
| 30 | 30262 |
| 31 | 37322 |
| 32 | 45606 |
| 33 | 55330 |
| 34 | 66597 |
| 35 | 79674 |
| 36 | 94673 |
| 37 | 111892 |
| 38 | 131474 |
| 39 | 153756 |
| 40 | 178891 |
| 41 | 207278 |
| 42 | 239074 |
| 43 | 274724 |
| 44 | 314427 |
| 45 | 358666 |
| 46 | 407649 |
| 47 | 461936 |
[1,4,13,36,80,160,291,496,794,1226,1821,2632,3691, 5080,6840,9070,11826,15228,19344,24332,30262, 37322,45606,55330,66597,79674,94673,111892,131474, 153756,178891,207278,239074,274724,314427,358666, 407649,461936] |