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 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 8 |
| 8 | 11 |
| 9 | 15 |
| 10 | 20 |
| 11 | 26 |
| 12 | 34 |
| 13 | 46 |
| 14 | 59 |
| 15 | 78 |
| 16 | 101 |
| 17 | 129 |
| 18 | 163 |
| 19 | 209 |
| 20 | 261 |
| 21 | 329 |
| 22 | 412 |
| 23 | 517 |
| 24 | 641 |
| 25 | 798 |
| 26 | 986 |
| 27 | 1216 |
| 28 | 1493 |
| 29 | 1829 |
| 30 | 2229 |
| 31 | 2721 |
| 32 | 3303 |
| 33 | 4000 |
| 34 | 4841 |
| 35 | 5841 |
| 36 | 7034 |
| 37 | 8458 |
| 38 | 10144 |
| 39 | 12137 |
| 40 | 14512 |
| 41 | 17306 |
| 42 | 20596 |
| 43 | 24483 |
| 44 | 29045 |
| 45 | 34391 |
| 46 | 40680 |
| 47 | 48032 |
| 48 | 56627 |
| 49 | 66666 |
[1,1,1,2,3,4,5,8,11,15,20,26,34,46,59,78,101,129, 163,209,261,329,412,517,641,798,986,1216,1493, 1829,2229,2721,3303,4000,4841,5841,7034,8458, 10144,12137,14512,17306,20596,24483,29045,34391, 40680,48032,56627,66666] |