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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 3 |
| 10 | 5 |
| 11 | 7 |
| 12 | 10 |
| 13 | 13 |
| 14 | 18 |
| 15 | 23 |
| 16 | 30 |
| 17 | 37 |
| 18 | 47 |
| 19 | 57 |
| 20 | 70 |
| 21 | 84 |
| 22 | 101 |
| 23 | 119 |
| 24 | 142 |
| 25 | 165 |
| 26 | 194 |
| 27 | 224 |
| 28 | 260 |
| 29 | 298 |
| 30 | 344 |
| 31 | 392 |
| 32 | 449 |
| 33 | 510 |
| 34 | 582 |
| 35 | 659 |
| 36 | 750 |
| 37 | 847 |
| 38 | 962 |
| 39 | 1087 |
| 40 | 1233 |
| 41 | 1393 |
| 42 | 1581 |
| 43 | 1787 |
| 44 | 2029 |
| 45 | 2297 |
| 46 | 2610 |
| 47 | 2958 |
| 48 | 3365 |
| 49 | 3819 |
| 50 | 4348 |
| 51 | 4942 |
| 52 | 5630 |
| 53 | 6404 |
| 54 | 7302 |
| 55 | 8310 |
| 56 | 9475 |
| 57 | 10787 |
[0,0,0,0,0,0,1,1,2,3,5,7,10,13,18,23,30,37,47,57, 70,84,101,119,142,165,194,224,260,298,344,392,449, 510,582,659,750,847,962,1087,1233,1393,1581,1787, 2029,2297,2610,2958,3365,3819,4348,4942,5630,6404, 7302,8310,9475,10787] |