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 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 6 |
| 13 | 8 |
| 14 | 11 |
| 15 | 11 |
| 16 | 11 |
| 17 | 15 |
| 18 | 19 |
| 19 | 25 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 44 |
| 24 | 55 |
| 25 | 70 |
| 26 | 89 |
| 27 | 114 |
| 28 | 114 |
| 29 | 114 |
| 30 | 147 |
| 31 | 180 |
| 32 | 224 |
| 33 | 279 |
| 34 | 349 |
| 35 | 438 |
| 36 | 438 |
| 37 | 438 |
| 38 | 552 |
| 39 | 666 |
| 40 | 813 |
| 41 | 993 |
| 42 | 1217 |
| 43 | 1496 |
| 44 | 1845 |
| 45 | 1845 |
| 46 | 1845 |
| 47 | 2283 |
| 48 | 2721 |
| 49 | 3273 |
| 50 | 3939 |
| 51 | 4752 |
| 52 | 5745 |
| 53 | 6962 |
| 54 | 8458 |
| 55 | 8458 |
| 56 | 8458 |
| 57 | 10303 |
[1,1,1,1,1,2,2,2,3,4,4,4,6,8,11,11,11,15,19,25,33, 33,33,44,55,70,89,114,114,114,147,180,224,279,349, 438,438,438,552,666,813,993,1217,1496,1845,1845, 1845,2283,2721,3273,3939,4752,5745,6962,8458,8458, 8458,10303] |