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 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 1 |
| 8 | 2 |
| 9 | 0 |
| 10 | 0 |
| 11 | 1 |
| 12 | 4 |
| 13 | 1 |
| 14 | 0 |
| 15 | 0 |
| 16 | 1 |
| 17 | 6 |
| 18 | 4 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 1 |
| 23 | 9 |
| 24 | 11 |
| 25 | 2 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 1 |
| 30 | 12 |
| 31 | 24 |
| 32 | 9 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 0 |
| 37 | 1 |
| 38 | 16 |
| 39 | 46 |
| 40 | 32 |
| 41 | 3 |
| 42 | 0 |
| 43 | 0 |
| 44 | 0 |
| 45 | 0 |
| 46 | 1 |
| 47 | 20 |
| 48 | 80 |
| 49 | 86 |
| 50 | 20 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 1 |
| 57 | 25 |
| 58 | 130 |
| 59 | 203 |
| 60 | 86 |
| 61 | 6 |
| 62 | 0 |
| 63 | 0 |
| 64 | 0 |
| 65 | 0 |
| 66 | 0 |
| 67 | 1 |
| 68 | 30 |
| 69 | 200 |
| 70 | 423 |
| 71 | 283 |
| 72 | 46 |
| 73 | 0 |
| 74 | 0 |
| 75 | 0 |
| 76 | 0 |
| 77 | 0 |
| 78 | 0 |
| 79 | 1 |
| 80 | 36 |
| 81 | 295 |
| 82 | 816 |
| 83 | 786 |
| 84 | 234 |
| 85 | 11 |
| 86 | 0 |
| 87 | 0 |
| 88 | 0 |
| 89 | 0 |
[1,1,0,1,1,0,1,2,0,0,1,4,1,0,0,1,6,4,0,0,0,1,9,11, 2,0,0,0,1,12,24,9,0,0,0,0,1,16,46,32,3,0,0,0,0,1, 20,80,86,20,0,0,0,0,0,1,25,130,203,86,6,0,0,0,0,0, 1,30,200,423,283,46,0,0,0,0,0,0,1,36,295,816,786, 234,11,0,0,0,0] |