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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 55 |
| 3 | 192 |
| 4 | 522 |
| 5 | 1197 |
| 6 | 2432 |
| 7 | 4520 |
| 8 | 7838 |
| 9 | 12867 |
| 10 | 20193 |
| 11 | 30524 |
| 12 | 44696 |
| 13 | 63694 |
| 14 | 88658 |
| 15 | 120895 |
| 16 | 161885 |
| 17 | 213294 |
| 18 | 276997 |
| 19 | 355082 |
| 20 | 449849 |
| 21 | 563834 |
| 22 | 699826 |
| 23 | 860861 |
| 24 | 1050260 |
| 25 | 1271598 |
| 26 | 1528765 |
| 27 | 1825937 |
| 28 | 2167611 |
| 29 | 2558606 |
| 30 | 3004075 |
| 31 | 3509523 |
[1,10,55,192,522,1197,2432,4520,7838,12867,20193, 30524,44696,63694,88658,120895,161885,213294, 276997,355082,449849,563834,699826,860861,1050260, 1271598,1528765,1825937,2167611,2558606,3004075, 3509523] |