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 | 1 |
| 6 | 1 |
| 7 | 7 |
| 8 | 7 |
| 9 | 1 |
| 10 | 1 |
| 11 | 13 |
| 12 | 28 |
| 13 | 13 |
| 14 | 1 |
| 15 | 1 |
| 16 | 21 |
| 17 | 79 |
| 18 | 79 |
| 19 | 21 |
| 20 | 1 |
| 21 | 1 |
| 22 | 31 |
| 23 | 181 |
| 24 | 315 |
| 25 | 181 |
| 26 | 31 |
| 27 | 1 |
| 28 | 1 |
| 29 | 43 |
| 30 | 361 |
| 31 | 971 |
| 32 | 971 |
| 33 | 361 |
| 34 | 43 |
| 35 | 1 |
| 36 | 1 |
| 37 | 57 |
| 38 | 652 |
| 39 | 2511 |
| 40 | 3876 |
| 41 | 2511 |
| 42 | 652 |
| 43 | 57 |
| 44 | 1 |
| 45 | 1 |
| 46 | 73 |
| 47 | 1093 |
| 48 | 5713 |
| 49 | 12606 |
| 50 | 12606 |
| 51 | 5713 |
| 52 | 1093 |
| 53 | 73 |
| 54 | 1 |
| 55 | 1 |
| 56 | 91 |
| 57 | 1729 |
| 58 | 11789 |
| 59 | 35246 |
| 60 | 50358 |
| 61 | 35246 |
| 62 | 11789 |
| 63 | 1729 |
| 64 | 91 |
| 65 | 1 |
[1,1,1,1,3,1,1,7,7,1,1,13,28,13,1,1,21,79,79,21,1, 1,31,181,315,181,31,1,1,43,361,971,971,361,43,1,1, 57,652,2511,3876,2511,652,57,1,1,73,1093,5713, 12606,12606,5713,1093,73,1,1,91,1729,11789,35246, 50358,35246,11789,1729,91,1] |