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 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 4 |
| 9 | 5 |
| 10 | 7 |
| 11 | 7 |
| 12 | 10 |
| 13 | 11 |
| 14 | 15 |
| 15 | 17 |
| 16 | 22 |
| 17 | 25 |
| 18 | 32 |
| 19 | 37 |
| 20 | 46 |
| 21 | 53 |
| 22 | 65 |
| 23 | 75 |
| 24 | 90 |
| 25 | 105 |
| 26 | 124 |
| 27 | 143 |
| 28 | 168 |
| 29 | 193 |
| 30 | 224 |
| 31 | 258 |
| 32 | 297 |
| 33 | 340 |
| 34 | 390 |
| 35 | 446 |
| 36 | 509 |
| 37 | 580 |
| 38 | 660 |
| 39 | 751 |
| 40 | 852 |
| 41 | 967 |
| 42 | 1095 |
| 43 | 1240 |
| 44 | 1401 |
| 45 | 1584 |
| 46 | 1786 |
| 47 | 2015 |
| 48 | 2269 |
| 49 | 2554 |
| 50 | 2869 |
| 51 | 3226 |
| 52 | 3617 |
| 53 | 4056 |
| 54 | 4541 |
| 55 | 5084 |
[1,1,0,1,1,2,3,3,4,5,7,7,10,11,15,17,22,25,32,37, 46,53,65,75,90,105,124,143,168,193,224,258,297, 340,390,446,509,580,660,751,852,967,1095,1240, 1401,1584,1786,2015,2269,2554,2869,3226,3617,4056, 4541,5084] |