The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 1 |
| 8 | 3 |
| 9 | 1 |
| 10 | 0 |
| 11 | 1 |
| 12 | 8 |
| 13 | 6 |
| 14 | 1 |
| 15 | 0 |
| 16 | 1 |
| 17 | 20 |
| 18 | 30 |
| 19 | 9 |
| 20 | 1 |
| 21 | 0 |
| 22 | 1 |
| 23 | 55 |
| 24 | 145 |
| 25 | 66 |
| 26 | 12 |
| 27 | 1 |
| 28 | 0 |
| 29 | 1 |
| 30 | 163 |
| 31 | 745 |
| 32 | 465 |
| 33 | 111 |
| 34 | 15 |
| 35 | 1 |
| 36 | 0 |
| 37 | 1 |
| 38 | 556 |
| 39 | 4245 |
| 40 | 3444 |
| 41 | 964 |
| 42 | 165 |
| 43 | 18 |
| 44 | 1 |
| 45 | 0 |
| 46 | 1 |
| 47 | 2222 |
| 48 | 27880 |
| 49 | 28024 |
| 50 | 8618 |
| 51 | 1652 |
| 52 | 228 |
| 53 | 21 |
| 54 | 1 |
| 55 | 0 |
| 56 | 1 |
| 57 | 10765 |
| 58 | 218058 |
| 59 | 259974 |
| 60 | 83322 |
| 61 | 16569 |
| 62 | 2556 |
| 63 | 300 |
| 64 | 24 |
| 65 | 1 |
[1,0,1,0,1,1,0,1,3,1,0,1,8,6,1,0,1,20,30,9,1,0,1, 55,145,66,12,1,0,1,163,745,465,111,15,1,0,1,556, 4245,3444,964,165,18,1,0,1,2222,27880,28024,8618, 1652,228,21,1,0,1,10765,218058,259974,83322,16569, 2556,300,24,1] |