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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 1 |
| 12 | 2 |
| 13 | 1 |
| 14 | 2 |
| 15 | 1 |
| 16 | 2 |
| 17 | 4 |
| 18 | 4 |
| 19 | 6 |
| 20 | 2 |
| 21 | 6 |
| 22 | 11 |
| 23 | 8 |
| 24 | 10 |
| 25 | 22 |
| 26 | 16 |
| 27 | 33 |
| 28 | 30 |
| 29 | 34 |
| 30 | 47 |
| 31 | 57 |
| 32 | 81 |
| 33 | 86 |
| 34 | 108 |
| 35 | 112 |
| 36 | 173 |
| 37 | 200 |
| 38 | 232 |
| 39 | 303 |
| 40 | 382 |
| 41 | 465 |
| 42 | 558 |
| 43 | 656 |
| 44 | 857 |
| 45 | 1051 |
| 46 | 1261 |
| 47 | 1579 |
| 48 | 1972 |
| 49 | 2455 |
| 50 | 2922 |
| 51 | 3594 |
| 52 | 4588 |
| 53 | 5532 |
| 54 | 6839 |
| 55 | 8402 |
| 56 | 10267 |
| 57 | 12976 |
| 58 | 15550 |
[1,0,0,0,0,0,1,1,0,0,0,1,2,1,2,1,2,4,4,6,2,6,11,8, 10,22,16,33,30,34,47,57,81,86,108,112,173,200,232, 303,382,465,558,656,857,1051,1261,1579,1972,2455, 2922,3594,4588,5532,6839,8402,10267,12976,15550] |