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 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 12 |
| 6 | 20 |
| 7 | 25 |
| 8 | 38 |
| 9 | 49 |
| 10 | 69 |
| 11 | 87 |
| 12 | 123 |
| 13 | 152 |
| 14 | 205 |
| 15 | 260 |
| 16 | 341 |
| 17 | 425 |
| 18 | 555 |
| 19 | 687 |
| 20 | 882 |
| 21 | 1094 |
| 22 | 1380 |
| 23 | 1702 |
| 24 | 2140 |
| 25 | 2620 |
| 26 | 3254 |
| 27 | 3982 |
| 28 | 4907 |
| 29 | 5967 |
| 30 | 7318 |
| 31 | 8856 |
| 32 | 10787 |
| 33 | 13019 |
| 34 | 15759 |
| 35 | 18943 |
| 36 | 22840 |
| 37 | 27334 |
| 38 | 32794 |
| 39 | 39139 |
| 40 | 46758 |
| 41 | 55595 |
| 42 | 66182 |
| 43 | 78433 |
| 44 | 93021 |
| 45 | 109935 |
| 46 | 129922 |
[0,1,3,5,9,12,20,25,38,49,69,87,123,152,205,260, 341,425,555,687,882,1094,1380,1702,2140,2620,3254, 3982,4907,5967,7318,8856,10787,13019,15759,18943, 22840,27334,32794,39139,46758,55595,66182,78433, 93021,109935,129922] |