The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 8 |
| 8 | 17 |
| 9 | 26 |
| 10 | 41 |
| 11 | 60 |
| 12 | 93 |
| 13 | 130 |
| 14 | 187 |
| 15 | 256 |
| 16 | 373 |
| 17 | 522 |
| 18 | 717 |
| 19 | 940 |
| 20 | 1209 |
| 21 | 1586 |
| 22 | 2121 |
| 23 | 2728 |
| 24 | 3513 |
| 25 | 4412 |
| 26 | 5477 |
| 27 | 6734 |
| 28 | 8393 |
| 29 | 10272 |
| 30 | 12585 |
| 31 | 15230 |
| 32 | 18267 |
| 33 | 21728 |
| 34 | 25639 |
| 35 | 30370 |
| 36 | 36047 |
| 37 | 42304 |
| 38 | 49367 |
| 39 | 57338 |
| 40 | 66281 |
| 41 | 76008 |
| 42 | 87997 |
| 43 | 101138 |
| 44 | 115865 |
| 45 | 132268 |
| 46 | 150389 |
[2,3,4,5,6,7,8,17,26,41,60,93,130,187,256,373,522, 717,940,1209,1586,2121,2728,3513,4412,5477,6734, 8393,10272,12585,15230,18267,21728,25639,30370, 36047,42304,49367,57338,66281,76008,87997,101138, 115865,132268,150389] |