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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 10 |
| 7 | 14 |
| 8 | 20 |
| 9 | 27 |
| 10 | 37 |
| 11 | 49 |
| 12 | 66 |
| 13 | 86 |
| 14 | 113 |
| 15 | 146 |
| 16 | 189 |
| 17 | 240 |
| 18 | 307 |
| 19 | 387 |
| 20 | 489 |
| 21 | 611 |
| 22 | 764 |
| 23 | 947 |
| 24 | 1175 |
| 25 | 1446 |
| 26 | 1779 |
| 27 | 2176 |
| 28 | 2660 |
| 29 | 3233 |
| 30 | 3928 |
| 31 | 4749 |
| 32 | 5737 |
| 33 | 6902 |
| 34 | 8295 |
| 35 | 9934 |
| 36 | 11884 |
| 37 | 14170 |
| 38 | 16877 |
| 39 | 20045 |
| 40 | 23780 |
| 41 | 28136 |
| 42 | 33254 |
| 43 | 39210 |
| 44 | 46180 |
| 45 | 54273 |
| 46 | 63711 |
[1,2,3,5,7,10,14,20,27,37,49,66,86,113,146,189, 240,307,387,489,611,764,947,1175,1446,1779,2176, 2660,3233,3928,4749,5737,6902,8295,9934,11884, 14170,16877,20045,23780,28136,33254,39210,46180, 54273,63711] |