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 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 5 |
| 11 | 7 |
| 12 | 11 |
| 13 | 12 |
| 14 | 18 |
| 15 | 22 |
| 16 | 32 |
| 17 | 34 |
| 18 | 47 |
| 19 | 52 |
| 20 | 71 |
| 21 | 78 |
| 22 | 102 |
| 23 | 116 |
| 24 | 154 |
| 25 | 170 |
| 26 | 217 |
| 27 | 243 |
| 28 | 305 |
| 29 | 329 |
| 30 | 406 |
| 31 | 445 |
| 32 | 546 |
| 33 | 587 |
| 34 | 702 |
| 35 | 768 |
| 36 | 921 |
| 37 | 982 |
| 38 | 1147 |
| 39 | 1240 |
| 40 | 1459 |
| 41 | 1562 |
| 42 | 1811 |
| 43 | 1948 |
| 44 | 2260 |
| 45 | 2401 |
| 46 | 2748 |
| 47 | 2943 |
| 48 | 3387 |
| 49 | 3596 |
| 50 | 4087 |
| 51 | 4381 |
| 52 | 4987 |
| 53 | 5288 |
| 54 | 5959 |
[0,0,0,0,0,0,1,1,2,2,5,7,11,12,18,22,32,34,47,52, 71,78,102,116,154,170,217,243,305,329,406,445,546, 587,702,768,921,982,1147,1240,1459,1562,1811,1948, 2260,2401,2748,2943,3387,3596,4087,4381,4987,5288, 5959] |