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 | 4 |
| 4 | 2 |
| 5 | 1 |
| 6 | 16 |
| 7 | 7 |
| 8 | 3 |
| 9 | 1 |
| 10 | 65 |
| 11 | 27 |
| 12 | 11 |
| 13 | 4 |
| 14 | 1 |
| 15 | 267 |
| 16 | 108 |
| 17 | 43 |
| 18 | 16 |
| 19 | 5 |
| 20 | 1 |
| 21 | 1105 |
| 22 | 440 |
| 23 | 173 |
| 24 | 65 |
| 25 | 22 |
| 26 | 6 |
| 27 | 1 |
| 28 | 4597 |
| 29 | 1812 |
| 30 | 707 |
| 31 | 267 |
| 32 | 94 |
| 33 | 29 |
| 34 | 7 |
| 35 | 1 |
| 36 | 19196 |
| 37 | 7514 |
| 38 | 2917 |
| 39 | 1105 |
| 40 | 398 |
| 41 | 131 |
| 42 | 37 |
| 43 | 8 |
| 44 | 1 |
| 45 | 80380 |
| 46 | 31307 |
| 47 | 12111 |
| 48 | 4597 |
| 49 | 1680 |
| 50 | 575 |
| 51 | 177 |
| 52 | 46 |
| 53 | 9 |
| 54 | 1 |
| 55 | 337284 |
| 56 | 130883 |
| 57 | 50503 |
| 58 | 19196 |
| 59 | 7085 |
| 60 | 2488 |
| 61 | 808 |
| 62 | 233 |
| 63 | 56 |
| 64 | 10 |
| 65 | 1 |
[1,1,1,4,2,1,16,7,3,1,65,27,11,4,1,267,108,43,16, 5,1,1105,440,173,65,22,6,1,4597,1812,707,267,94, 29,7,1,19196,7514,2917,1105,398,131,37,8,1,80380, 31307,12111,4597,1680,575,177,46,9,1,337284, 130883,50503,19196,7085,2488,808,233,56,10,1] |