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 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 1 |
| 9 | 2 |
| 10 | 2 |
| 11 | 3 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 6 |
| 16 | 8 |
| 17 | 8 |
| 18 | 11 |
| 19 | 10 |
| 20 | 17 |
| 21 | 15 |
| 22 | 23 |
| 23 | 19 |
| 24 | 32 |
| 25 | 26 |
| 26 | 42 |
| 27 | 35 |
| 28 | 57 |
| 29 | 49 |
| 30 | 73 |
| 31 | 66 |
| 32 | 95 |
| 33 | 90 |
| 34 | 119 |
| 35 | 121 |
| 36 | 153 |
| 37 | 161 |
| 38 | 191 |
| 39 | 214 |
| 40 | 239 |
| 41 | 280 |
| 42 | 298 |
| 43 | 365 |
| 44 | 373 |
| 45 | 470 |
| 46 | 462 |
| 47 | 603 |
| 48 | 576 |
| 49 | 763 |
| 50 | 714 |
| 51 | 963 |
| 52 | 889 |
| 53 | 1205 |
| 54 | 1102 |
| 55 | 1502 |
| 56 | 1371 |
| 57 | 1857 |
| 58 | 1696 |
| 59 | 2289 |
[0,0,0,1,0,1,1,2,1,2,2,3,3,4,5,6,8,8,11,10,17,15, 23,19,32,26,42,35,57,49,73,66,95,90,119,121,153, 161,191,214,239,280,298,365,373,470,462,603,576, 763,714,963,889,1205,1102,1502,1371,1857,1696, 2289] |