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 | 3 |
| 4 | 4 |
| 5 | 1 |
| 6 | 3 |
| 7 | 9 |
| 8 | 7 |
| 9 | 1 |
| 10 | 3 |
| 11 | 12 |
| 12 | 18 |
| 13 | 10 |
| 14 | 1 |
| 15 | 3 |
| 16 | 15 |
| 17 | 30 |
| 18 | 30 |
| 19 | 13 |
| 20 | 1 |
| 21 | 3 |
| 22 | 18 |
| 23 | 45 |
| 24 | 60 |
| 25 | 45 |
| 26 | 16 |
| 27 | 1 |
| 28 | 3 |
| 29 | 21 |
| 30 | 63 |
| 31 | 105 |
| 32 | 105 |
| 33 | 63 |
| 34 | 19 |
| 35 | 1 |
| 36 | 3 |
| 37 | 24 |
| 38 | 84 |
| 39 | 168 |
| 40 | 210 |
| 41 | 168 |
| 42 | 84 |
| 43 | 22 |
| 44 | 1 |
[1,1,1,3,4,1,3,9,7,1,3,12,18,10,1,3,15,30,30,13,1, 3,18,45,60,45,16,1,3,21,63,105,105,63,19,1,3,24, 84,168,210,168,84,22,1] |