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 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 1 |
| 10 | 9 |
| 11 | 7 |
| 12 | 1 |
| 13 | 7 |
| 14 | 7 |
| 15 | 13 |
| 16 | 1 |
| 17 | 7 |
| 18 | 1 |
| 19 | 7 |
| 20 | 1 |
| 21 | 7 |
| 22 | 5 |
| 23 | 7 |
| 24 | 1 |
| 25 | 7 |
| 26 | 23 |
| 27 | 1 |
| 28 | 21 |
| 29 | 7 |
| 30 | 19 |
| 31 | 7 |
| 32 | 1 |
| 33 | 13 |
| 34 | 15 |
| 35 | 28 |
| 36 | 1 |
| 37 | 7 |
| 38 | 11 |
| 39 | 31 |
| 40 | 1 |
| 41 | 7 |
| 42 | 7 |
| 43 | 7 |
| 44 | 25 |
| 45 | 37 |
| 46 | 3 |
| 47 | 7 |
| 48 | 1 |
| 49 | 0 |
| 50 | 49 |
| 51 | 37 |
| 52 | 9 |
| 53 | 7 |
| 54 | 1 |
| 55 | 43 |
| 56 | 49 |
| 57 | 1 |
| 58 | 49 |
| 59 | 7 |
| 60 | 1 |
| 61 | 7 |
| 62 | 49 |
| 63 | 28 |
| 64 | 1 |
| 65 | 37 |
| 66 | 37 |
| 67 | 7 |
| 68 | 21 |
| 69 | 67 |
| 70 | 49 |
| 71 | 7 |
| 72 | 1 |
| 73 | 7 |
| 74 | 49 |
| 75 | 43 |
| 76 | 45 |
| 77 | 28 |
| 78 | 25 |
| 79 | 7 |
| 80 | 1 |
[0,1,1,1,2,1,0,1,1,9,7,1,7,7,13,1,7,1,7,1,7,5,7,1, 7,23,1,21,7,19,7,1,13,15,28,1,7,11,31,1,7,7,7,25, 37,3,7,1,0,49,37,9,7,1,43,49,1,49,7,1,7,49,28,1, 37,37,7,21,67,49,7,1,7,49,43,45,28,25,7,1] |