| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | 3 |
| 5 | 4 |
| 6 | 0 |
| 7 | 5 |
| 8 | 18 |
| 9 | 8 |
| 10 | 0 |
| 11 | 9 |
| 12 | 67 |
| 13 | 72 |
| 14 | 16 |
| 15 | 0 |
| 16 | 17 |
| 17 | 240 |
| 18 | 470 |
| 19 | 240 |
| 20 | 32 |
| 21 | 0 |
| 22 | 33 |
| 23 | 859 |
| 24 | 2745 |
| 25 | 2420 |
| 26 | 720 |
| 27 | 64 |
| 28 | 0 |
| 29 | 65 |
| 30 | 3108 |
| 31 | 15323 |
| 32 | 20790 |
| 33 | 10360 |
| 34 | 2016 |
| 35 | 128 |
| 36 | 0 |
| 37 | 129 |
| 38 | 11407 |
| 39 | 84042 |
| 40 | 165081 |
| 41 | 122640 |
| 42 | 39200 |
| 43 | 5376 |
| 44 | 256 |
| 45 | 0 |
| 46 | 257 |
| 47 | 42480 |
| 48 | 458900 |
| 49 | 1257480 |
| 50 | 1307922 |
| 51 | 610848 |
| 52 | 135744 |
| 53 | 13824 |
| 54 | 512 |
[1,0,2,0,3,4,0,5,18,8,0,9,67,72,16,0,17,240,470, 240,32,0,33,859,2745,2420,720,64,0,65,3108,15323, 20790,10360,2016,128,0,129,11407,84042,165081, 122640,39200,5376,256,0,257,42480,458900,1257480, 1307922,610848,135744,13824,512] |