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) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 0 |
| 13 | 1 |
| 14 | 2 |
| 15 | 4 |
| 16 | 2 |
| 17 | 2 |
| 18 | 1 |
| 19 | 2 |
| 20 | 4 |
| 21 | 2 |
| 22 | 2 |
| 23 | 0 |
| 24 | 1 |
| 25 | 3 |
| 26 | 9 |
| 27 | 9 |
| 28 | 13 |
| 29 | 5 |
| 30 | 5 |
| 31 | 1 |
| 32 | 3 |
| 33 | 9 |
| 34 | 9 |
| 35 | 13 |
| 36 | 5 |
| 37 | 5 |
| 38 | 0 |
| 39 | 1 |
| 40 | 4 |
| 41 | 16 |
| 42 | 24 |
| 43 | 46 |
| 44 | 34 |
| 45 | 44 |
| 46 | 14 |
| 47 | 14 |
| 48 | 1 |
| 49 | 4 |
| 50 | 16 |
| 51 | 24 |
| 52 | 46 |
| 53 | 34 |
| 54 | 44 |
| 55 | 14 |
| 56 | 14 |
| 57 | 0 |
| 58 | 1 |
| 59 | 5 |
| 60 | 25 |
| 61 | 50 |
| 62 | 120 |
| 63 | 130 |
| 64 | 208 |
| 65 | 126 |
| 66 | 154 |
| 67 | 42 |
| 68 | 42 |
| 69 | 1 |
| 70 | 5 |
| 71 | 25 |
| 72 | 50 |
| 73 | 120 |
| 74 | 130 |
| 75 | 208 |
| 76 | 126 |
| 77 | 154 |
| 78 | 42 |
| 79 | 42 |
| 80 | 0 |
[1,1,0,1,1,1,1,1,1,0,1,2,4,2,2,1,2,4,2,2,0,1,3,9, 9,13,5,5,1,3,9,9,13,5,5,0,1,4,16,24,46,34,44,14, 14,1,4,16,24,46,34,44,14,14,0,1,5,25,50,120,130, 208,126,154,42,42,1,5,25,50,120,130,208,126,154, 42,42,0] |