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 | 4 |
| 1 | 1 |
| 2 | 0 |
| 3 | 2 |
| 4 | 4 |
| 5 | 3 |
| 6 | 4 |
| 7 | 4 |
| 8 | 4 |
| 9 | 5 |
| 10 | 4 |
| 11 | 6 |
| 12 | 8 |
| 13 | 7 |
| 14 | 8 |
| 15 | 8 |
| 16 | 8 |
| 17 | 9 |
| 18 | 12 |
| 19 | 10 |
| 20 | 12 |
| 21 | 15 |
| 22 | 12 |
| 23 | 12 |
| 24 | 16 |
| 25 | 17 |
| 26 | 16 |
| 27 | 18 |
| 28 | 20 |
| 29 | 19 |
| 30 | 20 |
| 31 | 20 |
| 32 | 24 |
| 33 | 25 |
| 34 | 24 |
| 35 | 26 |
| 36 | 28 |
| 37 | 27 |
| 38 | 28 |
| 39 | 32 |
| 40 | 32 |
| 41 | 33 |
| 42 | 36 |
| 43 | 34 |
| 44 | 36 |
| 45 | 39 |
| 46 | 40 |
| 47 | 40 |
| 48 | 44 |
| 49 | 45 |
| 50 | 44 |
[4,1,0,2,4,3,4,4,4,5,4,6,8,7,8,8,8,9,12,10,12,15, 12,12,16,17,16,18,20,19,20,20,24,25,24,26,28,27, 28,32,32,33,36,34,36,39,40,40,44,45,44] |