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 | 2 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 6 |
| 8 | 6 |
| 9 | 6 |
| 10 | 2 |
| 11 | 1 |
| 12 | 1 |
| 13 | 4 |
| 14 | 13 |
| 15 | 27 |
| 16 | 39 |
| 17 | 39 |
| 18 | 27 |
| 19 | 13 |
| 20 | 4 |
| 21 | 1 |
| 22 | 1 |
| 23 | 4 |
| 24 | 22 |
| 25 | 60 |
| 26 | 139 |
| 27 | 208 |
| 28 | 252 |
| 29 | 208 |
| 30 | 139 |
| 31 | 60 |
| 32 | 22 |
| 33 | 4 |
| 34 | 1 |
| 35 | 1 |
| 36 | 6 |
| 37 | 34 |
| 38 | 129 |
| 39 | 371 |
| 40 | 794 |
| 41 | 1310 |
| 42 | 1675 |
| 43 | 1675 |
| 44 | 1310 |
| 45 | 794 |
| 46 | 371 |
| 47 | 129 |
| 48 | 34 |
| 49 | 6 |
| 50 | 1 |
| 51 | 1 |
| 52 | 6 |
| 53 | 48 |
| 54 | 218 |
| 55 | 813 |
| 56 | 2196 |
| 57 | 4767 |
| 58 | 8070 |
| 59 | 11139 |
| 60 | 12300 |
| 61 | 11139 |
| 62 | 8070 |
| 63 | 4767 |
| 64 | 2196 |
| 65 | 813 |
| 66 | 218 |
| 67 | 48 |
| 68 | 6 |
| 69 | 1 |
[1,1,2,2,1,1,2,6,6,6,2,1,1,4,13,27,39,39,27,13,4, 1,1,4,22,60,139,208,252,208,139,60,22,4,1,1,6,34, 129,371,794,1310,1675,1675,1310,794,371,129,34,6, 1,1,6,48,218,813,2196,4767,8070,11139,12300,11139, 8070,4767,2196,813,218,48,6,1] |