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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | 4 |
| 18 | 4 |
| 19 | 7 |
| 20 | 9 |
| 21 | 10 |
| 22 | 9 |
| 23 | 15 |
| 24 | 14 |
| 25 | 20 |
| 26 | 18 |
| 27 | 24 |
| 28 | 24 |
| 29 | 39 |
| 30 | 31 |
| 31 | 47 |
| 32 | 43 |
| 33 | 58 |
| 34 | 50 |
| 35 | 81 |
| 36 | 61 |
| 37 | 97 |
| 38 | 75 |
| 39 | 116 |
| 40 | 93 |
| 41 | 146 |
| 42 | 100 |
| 43 | 172 |
| 44 | 134 |
| 45 | 207 |
| 46 | 148 |
| 47 | 246 |
| 48 | 170 |
| 49 | 298 |
| 50 | 202 |
| 51 | 332 |
| 52 | 232 |
| 53 | 395 |
| 54 | 257 |
| 55 | 463 |
| 56 | 314 |
| 57 | 521 |
| 58 | 343 |
| 59 | 612 |
| 60 | 392 |
| 61 | 720 |
| 62 | 452 |
| 63 | 788 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,4,4,7,9,10,9, 15,14,20,18,24,24,39,31,47,43,58,50,81,61,97,75, 116,93,146,100,172,134,207,148,246,170,298,202, 332,232,395,257,463,314,521,343,612,392,720,452, 788] |