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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 6 |
| 9 | 9 |
| 10 | 14 |
| 11 | 21 |
| 12 | 31 |
| 13 | 46 |
| 14 | 70 |
| 15 | 106 |
| 16 | 161 |
| 17 | 245 |
| 18 | 375 |
| 19 | 576 |
| 20 | 885 |
| 21 | 1364 |
| 22 | 2107 |
| 23 | 3261 |
| 24 | 5058 |
| 25 | 7856 |
| 26 | 12223 |
| 27 | 19045 |
| 28 | 29715 |
| 29 | 46423 |
| 30 | 72610 |
| 31 | 113696 |
| 32 | 178215 |
| 33 | 279620 |
| 34 | 439127 |
| 35 | 690223 |
| 36 | 1085782 |
| 37 | 1709350 |
| 38 | 2693004 |
| 39 | 4245644 |
| 40 | 6697857 |
| 41 | 10573035 |
[1,1,1,1,2,3,4,6,9,14,21,31,46,70,106,161,245,375, 576,885,1364,2107,3261,5058,7856,12223,19045, 29715,46423,72610,113696,178215,279620,439127, 690223,1085782,1709350,2693004,4245644,6697857, 10573035] |