A082536 a(1) = 1; for n > 1, a(n) = smallest number greater than a(n-1) such that a(n-1)*a(n)+1 is a cube.
1, 7, 9, 38, 1561, 3926, 4958, 5284, 9316636, 84705277923, 774752630747122741, 8816203161790126559791912099597266, 333977591776082560884277873242324869870383615439405188
Offset: 1
Keywords
Examples
7*9 + 1 = 64 = 8^3, 9*38 + 1 = 343 = 7^3.
Extensions
Corrected and extended by Vladeta Jovovic, May 01 2003
More terms from Michel ten Voorde Jun 23 2003
More terms from Vladeta Jovovic, Jun 29 2003
a(11)-a(13) from David Wasserman, Mar 26 2004