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 | 2 |
| 2 | 2 |
| 3 | 4 |
| 4 | 4 |
| 5 | 7 |
| 6 | 8 |
| 7 | 12 |
| 8 | 13 |
| 9 | 18 |
| 10 | 21 |
| 11 | 28 |
| 12 | 32 |
| 13 | 41 |
| 14 | 47 |
| 15 | 59 |
| 16 | 67 |
| 17 | 84 |
| 18 | 95 |
| 19 | 116 |
| 20 | 130 |
| 21 | 158 |
| 22 | 177 |
| 23 | 211 |
| 24 | 237 |
| 25 | 279 |
| 26 | 312 |
| 27 | 364 |
| 28 | 408 |
| 29 | 471 |
| 30 | 525 |
| 31 | 603 |
| 32 | 671 |
| 33 | 766 |
| 34 | 849 |
| 35 | 966 |
| 36 | 1067 |
| 37 | 1206 |
| 38 | 1330 |
| 39 | 1498 |
| 40 | 1649 |
| 41 | 1846 |
| 42 | 2030 |
| 43 | 2264 |
| 44 | 2484 |
| 45 | 2759 |
| 46 | 3024 |
| 47 | 3348 |
| 48 | 3659 |
| 49 | 4041 |
| 50 | 4409 |
| 51 | 4855 |
| 52 | 5287 |
| 53 | 5809 |
[1,2,2,4,4,7,8,12,13,18,21,28,32,41,47,59,67,84, 95,116,130,158,177,211,237,279,312,364,408,471, 525,603,671,766,849,966,1067,1206,1330,1498,1649, 1846,2030,2264,2484,2759,3024,3348,3659,4041,4409, 4855,5287,5809] |