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 | 15 |
| 5 | 1 |
| 6 | 1 |
| 7 | 65 |
| 8 | 65 |
| 9 | 1 |
| 10 | 1 |
| 11 | 175 |
| 12 | 225 |
| 13 | 175 |
| 14 | 1 |
| 15 | 1 |
| 16 | 369 |
| 17 | 529 |
| 18 | 529 |
| 19 | 369 |
| 20 | 1 |
| 21 | 1 |
| 22 | 671 |
| 23 | 1025 |
| 24 | 1135 |
| 25 | 1025 |
| 26 | 671 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1105 |
| 30 | 1761 |
| 31 | 2065 |
| 32 | 2065 |
| 33 | 1761 |
| 34 | 1105 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1695 |
| 38 | 2785 |
| 39 | 3391 |
| 40 | 3585 |
| 41 | 3391 |
| 42 | 2785 |
| 43 | 1695 |
| 44 | 1 |
| 45 | 1 |
| 46 | 2465 |
| 47 | 4145 |
| 48 | 5185 |
| 49 | 5681 |
| 50 | 5681 |
| 51 | 5185 |
| 52 | 4145 |
| 53 | 2465 |
| 54 | 1 |
[1,1,1,1,15,1,1,65,65,1,1,175,225,175,1,1,369,529, 529,369,1,1,671,1025,1135,1025,671,1,1,1105,1761, 2065,2065,1761,1105,1,1,1695,2785,3391,3585,3391, 2785,1695,1,1,2465,4145,5185,5681,5681,5185,4145, 2465,1] |