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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 12 |
| 6 | 17 |
| 7 | 26 |
| 8 | 37 |
| 9 | 57 |
| 10 | 80 |
| 11 | 119 |
| 12 | 168 |
| 13 | 247 |
| 14 | 346 |
| 15 | 503 |
| 16 | 705 |
| 17 | 1014 |
| 18 | 1417 |
| 19 | 2026 |
| 20 | 2827 |
| 21 | 4015 |
| 22 | 5595 |
| 23 | 7912 |
| 24 | 11009 |
| 25 | 15505 |
| 26 | 21554 |
| 27 | 30260 |
| 28 | 42020 |
| 29 | 58837 |
| 30 | 81639 |
| 31 | 114054 |
| 32 | 158137 |
| 33 | 220521 |
| 34 | 305563 |
| 35 | 425432 |
| 36 | 589179 |
| 37 | 819234 |
| 38 | 1134015 |
| 39 | 1575053 |
| 40 | 2179376 |
[1,2,3,5,7,12,17,26,37,57,80,119,168,247,346,503, 705,1014,1417,2026,2827,4015,5595,7912,11009, 15505,21554,30260,42020,58837,81639,114054,158137, 220521,305563,425432,589179,819234,1134015, 1575053,2179376] |