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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 16 |
| 9 | 23 |
| 10 | 34 |
| 11 | 52 |
| 12 | 81 |
| 13 | 126 |
| 14 | 194 |
| 15 | 296 |
| 16 | 450 |
| 17 | 685 |
| 18 | 1046 |
| 19 | 1601 |
| 20 | 2452 |
| 21 | 3753 |
| 22 | 5739 |
| 23 | 8771 |
| 24 | 13404 |
| 25 | 20489 |
| 26 | 31327 |
| 27 | 47904 |
| 28 | 73252 |
| 29 | 112004 |
| 30 | 171245 |
| 31 | 261813 |
| 32 | 400285 |
| 33 | 612009 |
| 34 | 935737 |
| 35 | 1430710 |
| 36 | 2187496 |
| 37 | 3344567 |
| 38 | 5113647 |
| 39 | 7818464 |
| 40 | 11953991 |
| 41 | 18277014 |
| 42 | 27944604 |
[1,1,1,1,2,4,7,11,16,23,34,52,81,126,194,296,450, 685,1046,1601,2452,3753,5739,8771,13404,20489, 31327,47904,73252,112004,171245,261813,400285, 612009,935737,1430710,2187496,3344567,5113647, 7818464,11953991,18277014,27944604] |