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) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 6 |
| 5 | 3 |
| 6 | 1 |
| 7 | 18 |
| 8 | 9 |
| 9 | 4 |
| 10 | 1 |
| 11 | 53 |
| 12 | 28 |
| 13 | 12 |
| 14 | 5 |
| 15 | 1 |
| 16 | 154 |
| 17 | 85 |
| 18 | 38 |
| 19 | 15 |
| 20 | 6 |
| 21 | 1 |
| 22 | 443 |
| 23 | 253 |
| 24 | 117 |
| 25 | 48 |
| 26 | 18 |
| 27 | 7 |
| 28 | 1 |
| 29 | 1264 |
| 30 | 742 |
| 31 | 352 |
| 32 | 149 |
| 33 | 58 |
| 34 | 21 |
| 35 | 8 |
| 36 | 1 |
| 37 | 3582 |
| 38 | 2151 |
| 39 | 1041 |
| 40 | 451 |
| 41 | 181 |
| 42 | 68 |
| 43 | 24 |
| 44 | 9 |
| 45 | 1 |
| 46 | 10092 |
| 47 | 6177 |
| 48 | 3038 |
| 49 | 1340 |
| 50 | 550 |
| 51 | 213 |
| 52 | 78 |
| 53 | 27 |
| 54 | 10 |
| 55 | 1 |
| 56 | 28291 |
| 57 | 17600 |
| 58 | 8772 |
| 59 | 3925 |
| 60 | 1639 |
| 61 | 649 |
| 62 | 245 |
| 63 | 88 |
| 64 | 30 |
| 65 | 11 |
| 66 | 1 |
[1,2,1,6,3,1,18,9,4,1,53,28,12,5,1,154,85,38,15,6, 1,443,253,117,48,18,7,1,1264,742,352,149,58,21,8, 1,3582,2151,1041,451,181,68,24,9,1,10092,6177, 3038,1340,550,213,78,27,10,1,28291,17600,8772, 3925,1639,649,245,88,30,11,1] |