| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 3 |
| 10 | 5 |
| 11 | 10 |
| 12 | 15 |
| 13 | 27 |
| 14 | 39 |
| 15 | 61 |
| 16 | 87 |
| 17 | 128 |
| 18 | 175 |
| 19 | 249 |
| 20 | 331 |
| 21 | 450 |
| 22 | 590 |
| 23 | 779 |
| 24 | 998 |
| 25 | 1292 |
| 26 | 1628 |
| 27 | 2063 |
| 28 | 2567 |
| 29 | 3198 |
| 30 | 3923 |
| 31 | 4827 |
| 32 | 5854 |
| 33 | 7106 |
| 34 | 8538 |
| 35 | 10253 |
| 36 | 12197 |
| 37 | 14516 |
| 38 | 17126 |
| 39 | 20197 |
| 40 | 23658 |
| 41 | 27683 |
| 42 | 32197 |
| 43 | 37422 |
| 44 | 43247 |
| 45 | 49931 |
| 46 | 57382 |
| 47 | 65865 |
| 48 | 75275 |
[0,0,0,0,0,0,0,1,1,3,5,10,15,27,39,61,87,128,175, 249,331,450,590,779,998,1292,1628,2063,2567,3198, 3923,4827,5854,7106,8538,10253,12197,14516,17126, 20197,23658,27683,32197,37422,43247,49931,57382, 65865,75275] |