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 | 0 |
| 4 | 2 |
| 5 | 1 |
| 6 | 0 |
| 7 | 2 |
| 8 | 3 |
| 9 | 1 |
| 10 | 0 |
| 11 | 3 |
| 12 | 6 |
| 13 | 4 |
| 14 | 1 |
| 15 | 0 |
| 16 | 3 |
| 17 | 8 |
| 18 | 12 |
| 19 | 5 |
| 20 | 1 |
| 21 | 0 |
| 22 | 4 |
| 23 | 16 |
| 24 | 15 |
| 25 | 20 |
| 26 | 6 |
| 27 | 1 |
| 28 | 0 |
| 29 | 4 |
| 30 | 18 |
| 31 | 45 |
| 32 | 24 |
| 33 | 30 |
| 34 | 7 |
| 35 | 1 |
| 36 | 0 |
| 37 | 5 |
| 38 | 36 |
| 39 | 48 |
| 40 | 96 |
| 41 | 35 |
| 42 | 42 |
| 43 | 8 |
| 44 | 1 |
| 45 | 0 |
| 46 | 5 |
| 47 | 38 |
| 48 | 144 |
| 49 | 100 |
| 50 | 175 |
| 51 | 48 |
| 52 | 56 |
| 53 | 9 |
| 54 | 1 |
| 55 | 0 |
| 56 | 6 |
| 57 | 76 |
| 58 | 147 |
| 59 | 400 |
| 60 | 180 |
| 61 | 288 |
| 62 | 63 |
| 63 | 72 |
| 64 | 10 |
| 65 | 1 |
| 66 | 0 |
| 67 | 6 |
| 68 | 78 |
| 69 | 441 |
| 70 | 404 |
| 71 | 900 |
| 72 | 294 |
| 73 | 441 |
[1,1,1,0,2,1,0,2,3,1,0,3,6,4,1,0,3,8,12,5,1,0,4, 16,15,20,6,1,0,4,18,45,24,30,7,1,0,5,36,48,96,35, 42,8,1,0,5,38,144,100,175,48,56,9,1,0,6,76,147, 400,180,288,63,72,10,1,0,6,78,441,404,900,294,441] |