| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 2 |
| 8 | 4 |
| 9 | 9 |
| 10 | 16 |
| 11 | 3 |
| 12 | 9 |
| 13 | 26 |
| 14 | 67 |
| 15 | 125 |
| 16 | 6 |
| 17 | 20 |
| 18 | 75 |
| 19 | 251 |
| 20 | 680 |
| 21 | 1296 |
| 22 | 11 |
| 23 | 48 |
| 24 | 214 |
| 25 | 888 |
| 26 | 3135 |
| 27 | 8716 |
| 28 | 16807 |
| 29 | 23 |
| 30 | 115 |
| 31 | 612 |
| 32 | 3023 |
| 33 | 13155 |
| 34 | 47787 |
| 35 | 134960 |
| 36 | 262144 |
| 37 | 47 |
| 38 | 286 |
| 39 | 1747 |
| 40 | 10038 |
| 41 | 51873 |
| 42 | 232154 |
| 43 | 858578 |
| 44 | 2450309 |
| 45 | 4782969 |
| 46 | 106 |
| 47 | 719 |
| 48 | 4995 |
| 49 | 32722 |
| 50 | 195821 |
[1,1,1,1,2,3,2,4,9,16,3,9,26,67,125,6,20,75,251, 680,1296,11,48,214,888,3135,8716,16807,23,115,612, 3023,13155,47787,134960,262144,47,286,1747,10038, 51873,232154,858578,2450309,4782969,106,719,4995, 32722,195821] |