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 | 5 |
| 5 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 9 |
| 9 | 1 |
| 10 | 1 |
| 11 | 13 |
| 12 | 26 |
| 13 | 13 |
| 14 | 1 |
| 15 | 1 |
| 16 | 17 |
| 17 | 52 |
| 18 | 52 |
| 19 | 17 |
| 20 | 1 |
| 21 | 1 |
| 22 | 21 |
| 23 | 87 |
| 24 | 134 |
| 25 | 87 |
| 26 | 21 |
| 27 | 1 |
| 28 | 1 |
| 29 | 25 |
| 30 | 131 |
| 31 | 275 |
| 32 | 275 |
| 33 | 131 |
| 34 | 25 |
| 35 | 1 |
| 36 | 1 |
| 37 | 29 |
| 38 | 184 |
| 39 | 491 |
| 40 | 670 |
| 41 | 491 |
| 42 | 184 |
| 43 | 29 |
| 44 | 1 |
| 45 | 1 |
| 46 | 33 |
| 47 | 246 |
| 48 | 798 |
| 49 | 1386 |
| 50 | 1386 |
| 51 | 798 |
| 52 | 246 |
| 53 | 33 |
| 54 | 1 |
| 55 | 1 |
| 56 | 37 |
| 57 | 317 |
| 58 | 1212 |
| 59 | 2562 |
| 60 | 3262 |
| 61 | 2562 |
| 62 | 1212 |
| 63 | 317 |
| 64 | 37 |
| 65 | 1 |
[1,1,1,1,5,1,1,9,9,1,1,13,26,13,1,1,17,52,52,17,1, 1,21,87,134,87,21,1,1,25,131,275,275,131,25,1,1, 29,184,491,670,491,184,29,1,1,33,246,798,1386, 1386,798,246,33,1,1,37,317,1212,2562,3262,2562, 1212,317,37,1] |