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 | 2 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 4 |
| 9 | 1 |
| 10 | 1 |
| 11 | 4 |
| 12 | 9 |
| 13 | 9 |
| 14 | 1 |
| 15 | 1 |
| 16 | 5 |
| 17 | 16 |
| 18 | 30 |
| 19 | 24 |
| 20 | 1 |
| 21 | 1 |
| 22 | 6 |
| 23 | 25 |
| 24 | 70 |
| 25 | 115 |
| 26 | 77 |
| 27 | 1 |
| 28 | 1 |
| 29 | 7 |
| 30 | 36 |
| 31 | 135 |
| 32 | 344 |
| 33 | 510 |
| 34 | 295 |
| 35 | 1 |
| 36 | 1 |
| 37 | 8 |
| 38 | 49 |
| 39 | 231 |
| 40 | 805 |
| 41 | 1908 |
| 42 | 2602 |
| 43 | 1329 |
| 44 | 1 |
| 45 | 1 |
| 46 | 9 |
| 47 | 64 |
| 48 | 364 |
| 49 | 1616 |
| 50 | 5325 |
| 51 | 11904 |
| 52 | 15133 |
| 53 | 6934 |
| 54 | 1 |
| 55 | 1 |
| 56 | 10 |
| 57 | 81 |
| 58 | 540 |
| 59 | 2919 |
| 60 | 12381 |
| 61 | 39001 |
| 62 | 83028 |
| 63 | 99367 |
| 64 | 41351 |
| 65 | 1 |
[1,1,1,1,2,1,1,3,4,1,1,4,9,9,1,1,5,16,30,24,1,1,6, 25,70,115,77,1,1,7,36,135,344,510,295,1,1,8,49, 231,805,1908,2602,1329,1,1,9,64,364,1616,5325, 11904,15133,6934,1,1,10,81,540,2919,12381,39001, 83028,99367,41351,1] |