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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 2 |
| 14 | 3 |
| 15 | 4 |
| 16 | 5 |
| 17 | 6 |
| 18 | 8 |
| 19 | 10 |
| 20 | 12 |
| 21 | 16 |
| 22 | 20 |
| 23 | 26 |
| 24 | 35 |
| 25 | 45 |
| 26 | 59 |
| 27 | 79 |
| 28 | 104 |
| 29 | 137 |
| 30 | 183 |
| 31 | 242 |
| 32 | 320 |
| 33 | 427 |
| 34 | 567 |
| 35 | 754 |
| 36 | 1008 |
| 37 | 1345 |
| 38 | 1797 |
| 39 | 2409 |
| 40 | 3228 |
| 41 | 4328 |
| 42 | 5817 |
| 43 | 7817 |
| 44 | 10511 |
| 45 | 14154 |
| 46 | 19063 |
| 47 | 25689 |
| 48 | 34655 |
| 49 | 46768 |
| 50 | 63148 |
| 51 | 85336 |
| 52 | 115372 |
| 53 | 156057 |
| 54 | 211233 |
[0,1,1,1,1,1,1,1,1,1,1,1,2,2,3,4,5,6,8,10,12,16, 20,26,35,45,59,79,104,137,183,242,320,427,567,754, 1008,1345,1797,2409,3228,4328,5817,7817,10511, 14154,19063,25689,34655,46768,63148,85336,115372, 156057,211233] |