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 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 8 |
| 10 | 11 |
| 11 | 14 |
| 12 | 17 |
| 13 | 22 |
| 14 | 29 |
| 15 | 36 |
| 16 | 46 |
| 17 | 59 |
| 18 | 76 |
| 19 | 96 |
| 20 | 122 |
| 21 | 156 |
| 22 | 199 |
| 23 | 253 |
| 24 | 321 |
| 25 | 409 |
| 26 | 521 |
| 27 | 662 |
| 28 | 842 |
| 29 | 1072 |
| 30 | 1364 |
| 31 | 1735 |
| 32 | 2206 |
| 33 | 2807 |
| 34 | 3571 |
| 35 | 4542 |
| 36 | 5777 |
| 37 | 7349 |
| 38 | 9349 |
| 39 | 11892 |
| 40 | 15126 |
| 41 | 19241 |
| 42 | 24476 |
| 43 | 31133 |
| 44 | 39602 |
| 45 | 50375 |
| 46 | 64079 |
| 47 | 81509 |
| 48 | 103681 |
| 49 | 131885 |
[1,1,1,2,2,3,4,5,6,8,11,14,17,22,29,36,46,59,76, 96,122,156,199,253,321,409,521,662,842,1072,1364, 1735,2206,2807,3571,4542,5777,7349,9349,11892, 15126,19241,24476,31133,39602,50375,64079,81509, 103681,131885] |