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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 8 |
| 7 | 13 |
| 8 | 22 |
| 9 | 35 |
| 10 | 54 |
| 11 | 80 |
| 12 | 121 |
| 13 | 172 |
| 14 | 247 |
| 15 | 347 |
| 16 | 484 |
| 17 | 661 |
| 18 | 906 |
| 19 | 1215 |
| 20 | 1632 |
| 21 | 2162 |
| 22 | 2855 |
| 23 | 3730 |
| 24 | 4871 |
| 25 | 6290 |
| 26 | 8111 |
| 27 | 10381 |
| 28 | 13252 |
| 29 | 16802 |
| 30 | 21269 |
| 31 | 26750 |
| 32 | 33583 |
| 33 | 41948 |
| 34 | 52277 |
| 35 | 64862 |
| 36 | 80326 |
| 37 | 99055 |
| 38 | 121922 |
| 39 | 149541 |
| 40 | 183052 |
| 41 | 223350 |
| 42 | 272038 |
| 43 | 330343 |
| 44 | 400450 |
| 45 | 484154 |
[0,0,1,2,4,8,13,22,35,54,80,121,172,247,347,484, 661,906,1215,1632,2162,2855,3730,4871,6290,8111, 10381,13252,16802,21269,26750,33583,41948,52277, 64862,80326,99055,121922,149541,183052,223350, 272038,330343,400450,484154] |