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 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 3 |
| 7 | 5 |
| 8 | 6 |
| 9 | 4 |
| 10 | 6 |
| 11 | 8 |
| 12 | 11 |
| 13 | 13 |
| 14 | 13 |
| 15 | 18 |
| 16 | 19 |
| 17 | 23 |
| 18 | 29 |
| 19 | 32 |
| 20 | 35 |
| 21 | 40 |
| 22 | 48 |
| 23 | 51 |
| 24 | 65 |
| 25 | 78 |
| 26 | 86 |
| 27 | 96 |
| 28 | 102 |
| 29 | 121 |
| 30 | 142 |
| 31 | 162 |
| 32 | 179 |
| 33 | 199 |
| 34 | 220 |
| 35 | 251 |
| 36 | 289 |
| 37 | 323 |
| 38 | 359 |
| 39 | 395 |
| 40 | 450 |
| 41 | 499 |
| 42 | 562 |
| 43 | 631 |
| 44 | 695 |
| 45 | 762 |
| 46 | 840 |
| 47 | 952 |
| 48 | 1055 |
| 49 | 1167 |
| 50 | 1292 |
| 51 | 1413 |
| 52 | 1557 |
| 53 | 1733 |
| 54 | 1903 |
| 55 | 2112 |
| 56 | 2323 |
| 57 | 2534 |
[1,1,2,1,1,3,3,5,6,4,6,8,11,13,13,18,19,23,29,32, 35,40,48,51,65,78,86,96,102,121,142,162,179,199, 220,251,289,323,359,395,450,499,562,631,695,762, 840,952,1055,1167,1292,1413,1557,1733,1903,2112, 2323,2534] |