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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 14 |
| 8 | 20 |
| 9 | 33 |
| 10 | 49 |
| 11 | 74 |
| 12 | 116 |
| 13 | 173 |
| 14 | 265 |
| 15 | 406 |
| 16 | 612 |
| 17 | 937 |
| 18 | 1425 |
| 19 | 2162 |
| 20 | 3300 |
| 21 | 5013 |
| 22 | 7625 |
| 23 | 11614 |
| 24 | 17652 |
| 25 | 26865 |
| 26 | 40881 |
| 27 | 62170 |
| 28 | 94612 |
| 29 | 143933 |
| 30 | 218953 |
| 31 | 333158 |
| 32 | 506820 |
| 33 | 771065 |
| 34 | 1173137 |
| 35 | 1784706 |
| 36 | 2715268 |
| 37 | 4130981 |
| 38 | 6284681 |
| 39 | 9561518 |
| 40 | 14546644 |
| 41 | 22130881 |
| 42 | 33669681 |
[0,1,1,2,4,5,9,14,20,33,49,74,116,173,265,406,612, 937,1425,2162,3300,5013,7625,11614,17652,26865, 40881,62170,94612,143933,218953,333158,506820, 771065,1173137,1784706,2715268,4130981,6284681, 9561518,14546644,22130881,33669681] |