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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 5 |
| 12 | 15 |
| 13 | 15 |
| 14 | 15 |
| 15 | 15 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 9 |
| 21 | 9 |
| 22 | 9 |
| 23 | 9 |
| 24 | 15 |
| 25 | 15 |
| 26 | 15 |
| 27 | 15 |
| 28 | 45 |
| 29 | 45 |
| 30 | 45 |
| 31 | 45 |
| 32 | 1 |
| 33 | 1 |
| 34 | 1 |
| 35 | 1 |
| 36 | 3 |
| 37 | 3 |
| 38 | 3 |
| 39 | 3 |
| 40 | 5 |
| 41 | 5 |
| 42 | 5 |
| 43 | 5 |
| 44 | 15 |
| 45 | 15 |
| 46 | 15 |
| 47 | 15 |
| 48 | 3 |
| 49 | 3 |
| 50 | 3 |
| 51 | 3 |
| 52 | 9 |
| 53 | 9 |
| 54 | 9 |
| 55 | 9 |
| 56 | 15 |
| 57 | 15 |
| 58 | 15 |
| 59 | 15 |
| 60 | 45 |
| 61 | 45 |
| 62 | 45 |
| 63 | 45 |
| 64 | 9 |
| 65 | 9 |
| 66 | 9 |
| 67 | 9 |
| 68 | 27 |
| 69 | 27 |
| 70 | 27 |
| 71 | 27 |
| 72 | 45 |
| 73 | 45 |
| 74 | 45 |
| 75 | 45 |
| 76 | 135 |
| 77 | 135 |
| 78 | 135 |
| 79 | 135 |
| 80 | 27 |
| 81 | 27 |
| 82 | 27 |
| 83 | 27 |
| 84 | 81 |
| 85 | 81 |
| 86 | 81 |
| 87 | 81 |
| 88 | 135 |
[1,1,1,1,3,3,3,3,5,5,5,5,15,15,15,15,3,3,3,3,9,9, 9,9,15,15,15,15,45,45,45,45,1,1,1,1,3,3,3,3,5,5,5, 5,15,15,15,15,3,3,3,3,9,9,9,9,15,15,15,15,45,45, 45,45,9,9,9,9,27,27,27,27,45,45,45,45,135,135,135, 135,27,27,27,27,81,81,81,81,135] |