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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 7 |
| 16 | 8 |
| 17 | 10 |
| 18 | 13 |
| 19 | 17 |
| 20 | 23 |
| 21 | 29 |
| 22 | 37 |
| 23 | 47 |
| 24 | 60 |
| 25 | 78 |
| 26 | 100 |
| 27 | 129 |
| 28 | 166 |
| 29 | 213 |
| 30 | 274 |
| 31 | 351 |
| 32 | 451 |
| 33 | 580 |
| 34 | 746 |
| 35 | 960 |
| 36 | 1233 |
| 37 | 1584 |
| 38 | 2035 |
| 39 | 2615 |
| 40 | 3362 |
| 41 | 4321 |
| 42 | 5554 |
| 43 | 7138 |
| 44 | 9173 |
| 45 | 11789 |
| 46 | 15150 |
| 47 | 19471 |
| 48 | 25025 |
[1,0,0,0,0,1,1,1,1,1,2,2,3,4,5,7,8,10,13,17,23,29, 37,47,60,78,100,129,166,213,274,351,451,580,746, 960,1233,1584,2035,2615,3362,4321,5554,7138,9173, 11789,15150,19471,25025] |