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 | 0 |
| 7 | 0 |
| 8 | 1 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 3 |
| 14 | 0 |
| 15 | 0 |
| 16 | 1 |
| 17 | 0 |
| 18 | 6 |
| 19 | 0 |
| 20 | 0 |
| 21 | 3 |
| 22 | 0 |
| 23 | 11 |
| 24 | 1 |
| 25 | 0 |
| 26 | 9 |
| 27 | 0 |
| 28 | 20 |
| 29 | 3 |
| 30 | 0 |
| 31 | 20 |
| 32 | 1 |
| 33 | 39 |
| 34 | 9 |
| 35 | 0 |
| 36 | 44 |
| 37 | 3 |
| 38 | 79 |
| 39 | 23 |
| 40 | 1 |
| 41 | 87 |
| 42 | 9 |
| 43 | 162 |
| 44 | 53 |
| 45 | 3 |
| 46 | 173 |
| 47 | 23 |
| 48 | 327 |
| 49 | 114 |
| 50 | 9 |
| 51 | 330 |
| 52 | 56 |
| 53 | 642 |
| 54 | 236 |
| 55 | 23 |
| 56 | 630 |
| 57 | 123 |
| 58 | 1223 |
| 59 | 468 |
| 60 | 56 |
| 61 | 1177 |
| 62 | 263 |
| 63 | 2267 |
| 64 | 906 |
| 65 | 126 |
| 66 | 2183 |
| 67 | 534 |
| 68 | 4105 |
| 69 | 1712 |
| 70 | 272 |
| 71 | 3977 |
| 72 | 1059 |
| 73 | 7286 |
| 74 | 3173 |
| 75 | 561 |
| 76 | 7162 |
| 77 | 2033 |
| 78 | 12724 |
[0,0,0,0,0,0,0,1,0,0,0,0,3,0,0,1,0,6,0,0,3,0,11,1, 0,9,0,20,3,0,20,1,39,9,0,44,3,79,23,1,87,9,162,53, 3,173,23,327,114,9,330,56,642,236,23,630,123,1223, 468,56,1177,263,2267,906,126,2183,534,4105,1712, 272,3977,1059,7286,3173,561,7162,2033,12724] |