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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 2 |
| 7 | 0 |
| 8 | 3 |
| 9 | 2 |
| 10 | 4 |
| 11 | 0 |
| 12 | 15 |
| 13 | 0 |
| 14 | 6 |
| 15 | 4 |
| 16 | 7 |
| 17 | 0 |
| 18 | 40 |
| 19 | 0 |
| 20 | 9 |
| 21 | 6 |
| 22 | 10 |
| 23 | 0 |
| 24 | 77 |
| 25 | 4 |
| 26 | 12 |
| 27 | 8 |
| 28 | 39 |
| 29 | 0 |
| 30 | 630 |
| 31 | 0 |
| 32 | 15 |
| 33 | 10 |
| 34 | 16 |
| 35 | 12 |
| 36 | 187 |
| 37 | 0 |
| 38 | 18 |
| 39 | 12 |
| 40 | 133 |
| 41 | 0 |
| 42 | 260 |
| 43 | 0 |
| 44 | 21 |
| 45 | 56 |
| 46 | 22 |
| 47 | 0 |
| 48 | 345 |
| 49 | 6 |
| 50 | 72 |
| 51 | 16 |
| 52 | 75 |
| 53 | 0 |
| 54 | 442 |
| 55 | 20 |
| 56 | 189 |
| 57 | 18 |
| 58 | 28 |
| 59 | 0 |
| 60 | 6061 |
| 61 | 0 |
| 62 | 30 |
| 63 | 40 |
| 64 | 31 |
| 65 | 12 |
| 66 | 3360 |
| 67 | 0 |
| 68 | 33 |
| 69 | 22 |
| 70 | 3978 |
[1,0,0,1,0,2,0,3,2,4,0,15,0,6,4,7,0,40,0,9,6,10,0, 77,4,12,8,39,0,630,0,15,10,16,12,187,0,18,12,133, 0,260,0,21,56,22,0,345,6,72,16,75,0,442,20,189,18, 28,0,6061,0,30,40,31,12,3360,0,33,22,3978] |