| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 4 |
| 7 | 2 |
| 8 | 0 |
| 9 | 10 |
| 10 | 5 |
| 11 | 0 |
| 12 | 26 |
| 13 | 18 |
| 14 | 1 |
| 15 | 0 |
| 16 | 76 |
| 17 | 52 |
| 18 | 8 |
| 19 | 0 |
| 20 | 232 |
| 21 | 168 |
| 22 | 30 |
| 23 | 0 |
| 24 | 764 |
| 25 | 533 |
| 26 | 114 |
| 27 | 4 |
| 28 | 0 |
| 29 | 2620 |
| 30 | 1792 |
| 31 | 411 |
| 32 | 22 |
| 33 | 0 |
| 34 | 9496 |
| 35 | 6161 |
| 36 | 1462 |
| 37 | 116 |
| 38 | 0 |
| 39 | 35696 |
| 40 | 22088 |
| 41 | 5237 |
| 42 | 482 |
| 43 | 6 |
| 44 | 0 |
| 45 | 140152 |
| 46 | 81690 |
| 47 | 18998 |
| 48 | 1966 |
| 49 | 48 |
| 50 | 0 |
| 51 | 568504 |
| 52 | 313224 |
| 53 | 70220 |
| 54 | 7682 |
| 55 | 274 |
[1,0,1,0,2,0,4,2,0,10,5,0,26,18,1,0,76,52,8,0,232, 168,30,0,764,533,114,4,0,2620,1792,411,22,0,9496, 6161,1462,116,0,35696,22088,5237,482,6,0,140152, 81690,18998,1966,48,0,568504,313224,70220,7682, 274] |