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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 4 |
| 14 | 3 |
| 15 | 4 |
| 16 | 6 |
| 17 | 6 |
| 18 | 6 |
| 19 | 12 |
| 20 | 10 |
| 21 | 12 |
| 22 | 20 |
| 23 | 18 |
| 24 | 20 |
| 25 | 36 |
| 26 | 32 |
| 27 | 36 |
| 28 | 64 |
| 29 | 56 |
| 30 | 64 |
| 31 | 112 |
| 32 | 100 |
| 33 | 112 |
| 34 | 200 |
| 35 | 176 |
| 36 | 200 |
| 37 | 352 |
| 38 | 312 |
| 39 | 352 |
| 40 | 624 |
| 41 | 552 |
| 42 | 624 |
| 43 | 1104 |
| 44 | 976 |
| 45 | 1104 |
| 46 | 1952 |
| 47 | 1728 |
| 48 | 1952 |
| 49 | 3456 |
| 50 | 3056 |
| 51 | 3456 |
| 52 | 6112 |
| 53 | 5408 |
| 54 | 6112 |
| 55 | 10816 |
| 56 | 9568 |
| 57 | 10816 |
[1,0,0,0,1,0,1,1,1,1,2,2,2,4,3,4,6,6,6,12,10,12, 20,18,20,36,32,36,64,56,64,112,100,112,200,176, 200,352,312,352,624,552,624,1104,976,1104,1952, 1728,1952,3456,3056,3456,6112,5408,6112,10816, 9568,10816] |