The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 3 |
| 9 | 0 |
| 10 | 0 |
| 11 | 1 |
| 12 | 5 |
| 13 | 7 |
| 14 | 0 |
| 15 | 0 |
| 16 | 1 |
| 17 | 9 |
| 18 | 19 |
| 19 | 15 |
| 20 | 0 |
| 21 | 0 |
| 22 | 1 |
| 23 | 13 |
| 24 | 49 |
| 25 | 65 |
| 26 | 31 |
| 27 | 0 |
| 28 | 0 |
| 29 | 1 |
| 30 | 21 |
| 31 | 91 |
| 32 | 225 |
| 33 | 211 |
| 34 | 63 |
| 35 | 0 |
| 36 | 0 |
| 37 | 1 |
| 38 | 25 |
| 39 | 175 |
| 40 | 529 |
| 41 | 961 |
| 42 | 665 |
| 43 | 127 |
| 44 | 0 |
| 45 | 0 |
| 46 | 1 |
| 47 | 37 |
| 48 | 253 |
| 49 | 1185 |
| 50 | 2851 |
| 51 | 3969 |
| 52 | 2059 |
| 53 | 255 |
| 54 | 0 |
| 55 | 0 |
| 56 | 1 |
| 57 | 45 |
| 58 | 415 |
| 59 | 2065 |
| 60 | 7471 |
| 61 | 14833 |
| 62 | 16129 |
| 63 | 6305 |
| 64 | 511 |
| 65 | 0 |
| 66 | 0 |
| 67 | 1 |
| 68 | 57 |
| 69 | 571 |
| 70 | 3745 |
| 71 | 15541 |
| 72 | 45801 |
| 73 | 75811 |
| 74 | 65025 |
| 75 | 19171 |
| 76 | 1023 |
| 77 | 0 |
[0,0,0,0,1,0,0,1,3,0,0,1,5,7,0,0,1,9,19,15,0,0,1, 13,49,65,31,0,0,1,21,91,225,211,63,0,0,1,25,175, 529,961,665,127,0,0,1,37,253,1185,2851,3969,2059, 255,0,0,1,45,415,2065,7471,14833,16129,6305,511,0, 0,1,57,571,3745,15541,45801,75811,65025,19171, 1023,0] |