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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 4 |
| 12 | 3 |
| 13 | 0 |
| 14 | 1 |
| 15 | 4 |
| 16 | 3 |
| 17 | 6 |
| 18 | 4 |
| 19 | 0 |
| 20 | 1 |
| 21 | 5 |
| 22 | 12 |
| 23 | 6 |
| 24 | 8 |
| 25 | 5 |
| 26 | 0 |
| 27 | 1 |
| 28 | 6 |
| 29 | 16 |
| 30 | 24 |
| 31 | 10 |
| 32 | 10 |
| 33 | 6 |
| 34 | 0 |
| 35 | 1 |
| 36 | 13 |
| 37 | 24 |
| 38 | 34 |
| 39 | 40 |
| 40 | 15 |
| 41 | 12 |
| 42 | 7 |
| 43 | 0 |
| 44 | 1 |
| 45 | 16 |
| 46 | 53 |
| 47 | 60 |
| 48 | 60 |
| 49 | 60 |
| 50 | 21 |
| 51 | 14 |
| 52 | 8 |
| 53 | 0 |
| 54 | 1 |
| 55 | 25 |
| 56 | 72 |
| 57 | 135 |
| 58 | 120 |
| 59 | 95 |
| 60 | 84 |
| 61 | 28 |
| 62 | 16 |
| 63 | 9 |
| 64 | 0 |
| 65 | 1 |
| 66 | 42 |
| 67 | 126 |
| 68 | 200 |
| 69 | 275 |
| 70 | 210 |
| 71 | 140 |
| 72 | 112 |
| 73 | 36 |
| 74 | 18 |
| 75 | 10 |
| 76 | 0 |
| 77 | 1 |
| 78 | 57 |
| 79 | 220 |
| 80 | 381 |
[1,0,1,1,0,1,2,2,0,1,1,4,3,0,1,4,3,6,4,0,1,5,12,6, 8,5,0,1,6,16,24,10,10,6,0,1,13,24,34,40,15,12,7,0, 1,16,53,60,60,60,21,14,8,0,1,25,72,135,120,95,84, 28,16,9,0,1,42,126,200,275,210,140,112,36,18,10,0, 1,57,220,381] |