The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 27 |
| 2 | 85 |
| 3 | 175 |
| 4 | 297 |
| 5 | 451 |
| 6 | 637 |
| 7 | 855 |
| 8 | 1105 |
| 9 | 1387 |
| 10 | 1701 |
| 11 | 2047 |
| 12 | 2425 |
| 13 | 2835 |
| 14 | 3277 |
| 15 | 3751 |
| 16 | 4257 |
| 17 | 4795 |
| 18 | 5365 |
| 19 | 5967 |
| 20 | 6601 |
| 21 | 7267 |
| 22 | 7965 |
| 23 | 8695 |
| 24 | 9457 |
| 25 | 10251 |
| 26 | 11077 |
| 27 | 11935 |
| 28 | 12825 |
| 29 | 13747 |
| 30 | 14701 |
| 31 | 15687 |
| 32 | 16705 |
| 33 | 17755 |
| 34 | 18837 |
| 35 | 19951 |
| 36 | 21097 |
| 37 | 22275 |
| 38 | 23485 |
| 39 | 24727 |
| 40 | 26001 |
| 41 | 27307 |
| 42 | 28645 |
[1,27,85,175,297,451,637,855,1105,1387,1701,2047, 2425,2835,3277,3751,4257,4795,5365,5967,6601,7267, 7965,8695,9457,10251,11077,11935,12825,13747, 14701,15687,16705,17755,18837,19951,21097,22275, 23485,24727,26001,27307,28645] |