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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 2 |
| 6 | 2 |
| 7 | 0 |
| 8 | 4 |
| 9 | 4 |
| 10 | 1 |
| 11 | 1 |
| 12 | 9 |
| 13 | 13 |
| 14 | 8 |
| 15 | 1 |
| 16 | 0 |
| 17 | 16 |
| 18 | 40 |
| 19 | 22 |
| 20 | 16 |
| 21 | 4 |
| 22 | 0 |
| 23 | 37 |
| 24 | 125 |
| 25 | 108 |
| 26 | 61 |
| 27 | 32 |
| 28 | 6 |
| 29 | 1 |
| 30 | 76 |
| 31 | 393 |
| 32 | 684 |
| 33 | 660 |
| 34 | 280 |
| 35 | 64 |
| 36 | 5 |
| 37 | 0 |
| 38 | 160 |
| 39 | 1200 |
| 40 | 2736 |
| 41 | 6107 |
| 42 | 4032 |
| 43 | 832 |
| 44 | 128 |
| 45 | 7 |
| 46 | 0 |
| 47 | 337 |
| 48 | 3759 |
| 49 | 13556 |
| 50 | 37225 |
| 51 | 50353 |
| 52 | 19521 |
| 53 | 2373 |
| 54 | 256 |
| 55 | 15 |
| 56 | 1 |
| 57 | 704 |
| 58 | 11572 |
| 59 | 68972 |
| 60 | 349391 |
| 61 | 604916 |
[0,1,1,0,2,2,0,4,4,1,1,9,13,8,1,0,16,40,22,16,4,0, 37,125,108,61,32,6,1,76,393,684,660,280,64,5,0, 160,1200,2736,6107,4032,832,128,7,0,337,3759, 13556,37225,50353,19521,2373,256,15,1,704,11572, 68972,349391,604916] |