| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 51 |
| 4 | 180 |
| 5 | 501 |
| 6 | 1182 |
| 7 | 2471 |
| 8 | 4712 |
| 9 | 8361 |
| 10 | 14002 |
| 11 | 22363 |
| 12 | 34332 |
| 13 | 50973 |
| 14 | 73542 |
| 15 | 103503 |
| 16 | 142544 |
| 17 | 192593 |
| 18 | 255834 |
| 19 | 334723 |
| 20 | 432004 |
| 21 | 550725 |
| 22 | 694254 |
| 23 | 866295 |
| 24 | 1070904 |
| 25 | 1312505 |
| 26 | 1595906 |
| 27 | 1926315 |
| 28 | 2309356 |
| 29 | 2751085 |
| 30 | 3258006 |
| 31 | 3837087 |
| 32 | 4495776 |
| 33 | 5242017 |
| 34 | 6084266 |
[0,1,10,51,180,501,1182,2471,4712,8361,14002, 22363,34332,50973,73542,103503,142544,192593, 255834,334723,432004,550725,694254,866295,1070904, 1312505,1595906,1926315,2309356,2751085,3258006, 3837087,4495776,5242017,6084266] |