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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 0 |
| 3 | 7 |
| 4 | 4 |
| 5 | 0 |
| 6 | 15 |
| 7 | 30 |
| 8 | 5 |
| 9 | 0 |
| 10 | 31 |
| 11 | 146 |
| 12 | 91 |
| 13 | 6 |
| 14 | 0 |
| 15 | 63 |
| 16 | 588 |
| 17 | 868 |
| 18 | 238 |
| 19 | 7 |
| 20 | 0 |
| 21 | 127 |
| 22 | 2136 |
| 23 | 6126 |
| 24 | 4096 |
| 25 | 575 |
| 26 | 8 |
| 27 | 0 |
| 28 | 255 |
| 29 | 7290 |
| 30 | 36375 |
| 31 | 47400 |
| 32 | 16929 |
| 33 | 1326 |
| 34 | 9 |
| 35 | 0 |
| 36 | 511 |
| 37 | 23902 |
| 38 | 193533 |
| 39 | 434494 |
| 40 | 306793 |
| 41 | 64362 |
| 42 | 2971 |
| 43 | 10 |
| 44 | 0 |
| 45 | 1023 |
| 46 | 76296 |
| 47 | 956054 |
| 48 | 3421902 |
| 49 | 4169418 |
[1,3,0,7,4,0,15,30,5,0,31,146,91,6,0,63,588,868, 238,7,0,127,2136,6126,4096,575,8,0,255,7290,36375, 47400,16929,1326,9,0,511,23902,193533,434494, 306793,64362,2971,10,0,1023,76296,956054,3421902, 4169418] |