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 | 2 |
| 4 | 2 |
| 5 | 1 |
| 6 | 5 |
| 7 | 5 |
| 8 | 3 |
| 9 | 1 |
| 10 | 15 |
| 11 | 15 |
| 12 | 10 |
| 13 | 5 |
| 14 | 1 |
| 15 | 52 |
| 16 | 52 |
| 17 | 37 |
| 18 | 22 |
| 19 | 6 |
| 20 | 1 |
| 21 | 203 |
| 22 | 203 |
| 23 | 151 |
| 24 | 99 |
| 25 | 31 |
| 26 | 9 |
| 27 | 1 |
| 28 | 877 |
| 29 | 877 |
| 30 | 674 |
| 31 | 471 |
| 32 | 160 |
| 33 | 61 |
| 34 | 10 |
| 35 | 1 |
| 36 | 4140 |
| 37 | 4140 |
| 38 | 3263 |
| 39 | 2386 |
| 40 | 856 |
| 41 | 385 |
| 42 | 75 |
| 43 | 14 |
| 44 | 1 |
| 45 | 21147 |
| 46 | 21147 |
| 47 | 17007 |
| 48 | 12867 |
| 49 | 4802 |
| 50 | 2416 |
| 51 | 520 |
| 52 | 135 |
| 53 | 15 |
| 54 | 1 |
[1,1,1,2,2,1,5,5,3,1,15,15,10,5,1,52,52,37,22,6,1, 203,203,151,99,31,9,1,877,877,674,471,160,61,10,1, 4140,4140,3263,2386,856,385,75,14,1,21147,21147, 17007,12867,4802,2416,520,135,15,1] |