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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 2 |
| 12 | 1 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 3 |
| 17 | 2 |
| 18 | 2 |
| 19 | 0 |
| 20 | 0 |
| 21 | 5 |
| 22 | 5 |
| 23 | 6 |
| 24 | 2 |
| 25 | 0 |
| 26 | 10 |
| 27 | 9 |
| 28 | 17 |
| 29 | 6 |
| 30 | 3 |
| 31 | 23 |
| 32 | 19 |
| 33 | 40 |
| 34 | 17 |
| 35 | 10 |
| 36 | 56 |
| 37 | 37 |
| 38 | 86 |
| 39 | 42 |
| 40 | 31 |
| 41 | 126 |
| 42 | 82 |
| 43 | 174 |
| 44 | 96 |
| 45 | 81 |
| 46 | 271 |
| 47 | 172 |
| 48 | 347 |
| 49 | 202 |
| 50 | 196 |
| 51 | 553 |
| 52 | 365 |
| 53 | 671 |
| 54 | 417 |
| 55 | 435 |
| 56 | 1091 |
| 57 | 747 |
| 58 | 1287 |
| 59 | 825 |
| 60 | 924 |
| 61 | 2083 |
| 62 | 1502 |
| 63 | 2435 |
| 64 | 1604 |
| 65 | 1868 |
| 66 | 3903 |
| 67 | 2927 |
| 68 | 4556 |
| 69 | 3054 |
| 70 | 3663 |
| 71 | 7159 |
| 72 | 5603 |
| 73 | 8407 |
| 74 | 5733 |
[0,0,0,0,0,1,0,0,0,0,2,1,0,0,0,3,2,2,0,0,5,5,6,2, 0,10,9,17,6,3,23,19,40,17,10,56,37,86,42,31,126, 82,174,96,81,271,172,347,202,196,553,365,671,417, 435,1091,747,1287,825,924,2083,1502,2435,1604, 1868,3903,2927,4556,3054,3663,7159,5603,8407,5733] |