| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 2 |
| 3 | 11 |
| 4 | 31 |
| 5 | 71 |
| 6 | 131 |
| 7 | 229 |
| 8 | 357 |
| 9 | 537 |
| 10 | 767 |
| 11 | 1064 |
| 12 | 1412 |
| 13 | 1867 |
| 14 | 2385 |
| 15 | 3000 |
| 16 | 3720 |
| 17 | 4570 |
| 18 | 5506 |
| 19 | 6608 |
| 20 | 7808 |
| 21 | 9194 |
| 22 | 10734 |
| 23 | 12436 |
| 24 | 14260 |
| 25 | 16360 |
| 26 | 18622 |
| 27 | 21079 |
| 28 | 23739 |
| 29 | 26668 |
| 30 | 29758 |
| 31 | 33199 |
| 32 | 36815 |
| 33 | 40742 |
| 34 | 44924 |
| 35 | 49369 |
| 36 | 54085 |
| 37 | 59265 |
| 38 | 64661 |
| 39 | 70355 |
[0,0,2,11,31,71,131,229,357,537,767,1064,1412, 1867,2385,3000,3720,4570,5506,6608,7808,9194, 10734,12436,14260,16360,18622,21079,23739,26668, 29758,33199,36815,40742,44924,49369,54085,59265, 64661,70355] |