| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 6 |
| 4 | 4 |
| 5 | 3 |
| 6 | 23 |
| 7 | 17 |
| 8 | 13 |
| 9 | 10 |
| 10 | 104 |
| 11 | 81 |
| 12 | 64 |
| 13 | 51 |
| 14 | 41 |
| 15 | 537 |
| 16 | 433 |
| 17 | 352 |
| 18 | 288 |
| 19 | 237 |
| 20 | 196 |
| 21 | 3100 |
| 22 | 2563 |
| 23 | 2130 |
| 24 | 1778 |
| 25 | 1490 |
| 26 | 1253 |
| 27 | 1057 |
| 28 | 19693 |
| 29 | 16593 |
| 30 | 14030 |
| 31 | 11900 |
| 32 | 10122 |
| 33 | 8632 |
| 34 | 7379 |
| 35 | 6322 |
| 36 | 136064 |
| 37 | 116371 |
| 38 | 99778 |
| 39 | 85748 |
| 40 | 73848 |
| 41 | 63726 |
| 42 | 55094 |
| 43 | 47715 |
| 44 | 41393 |
[1,2,1,6,4,3,23,17,13,10,104,81,64,51,41,537,433, 352,288,237,196,3100,2563,2130,1778,1490,1253, 1057,19693,16593,14030,11900,10122,8632,7379,6322, 136064,116371,99778,85748,73848,63726,55094,47715, 41393] |