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 | 4 |
| 2 | 0 |
| 3 | 2 |
| 4 | 0 |
| 5 | 5 |
| 6 | 0 |
| 7 | 3 |
| 8 | 0 |
| 9 | 8 |
| 10 | 0 |
| 11 | 5 |
| 12 | 0 |
| 13 | 13 |
| 14 | 0 |
| 15 | 9 |
| 16 | 0 |
| 17 | 22 |
| 18 | 0 |
| 19 | 16 |
| 20 | 0 |
| 21 | 37 |
| 22 | 0 |
| 23 | 27 |
| 24 | 0 |
| 25 | 60 |
| 26 | 0 |
| 27 | 43 |
| 28 | 0 |
| 29 | 93 |
| 30 | 0 |
| 31 | 65 |
| 32 | 0 |
| 33 | 138 |
| 34 | 0 |
| 35 | 94 |
| 36 | 0 |
| 37 | 197 |
| 38 | 0 |
| 39 | 131 |
| 40 | 0 |
| 41 | 272 |
| 42 | 0 |
| 43 | 177 |
| 44 | 0 |
| 45 | 365 |
| 46 | 0 |
| 47 | 233 |
| 48 | 0 |
| 49 | 478 |
| 50 | 0 |
| 51 | 300 |
| 52 | 0 |
| 53 | 613 |
| 54 | 0 |
| 55 | 379 |
| 56 | 0 |
| 57 | 772 |
| 58 | 0 |
| 59 | 471 |
| 60 | 0 |
| 61 | 957 |
| 62 | 0 |
| 63 | 577 |
| 64 | 0 |
| 65 | 1170 |
| 66 | 0 |
| 67 | 698 |
| 68 | 0 |
| 69 | 1413 |
| 70 | 0 |
[4,0,2,0,5,0,3,0,8,0,5,0,13,0,9,0,22,0,16,0,37,0, 27,0,60,0,43,0,93,0,65,0,138,0,94,0,197,0,131,0, 272,0,177,0,365,0,233,0,478,0,300,0,613,0,379,0, 772,0,471,0,957,0,577,0,1170,0,698,0,1413,0] |