1,1

Subsequence of A134856 and A134857.

Depending on the interpretation of A057535, this is either the same or a supersequence of A057535. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 16 2009]

MathPages, Numbers Expressible As (a^2-1)(b^2-1).

588107520 = (13^2-1)(1871^2-1) = (17^2-1)(1429^2-1) = (55^2-1)(441^2-1) = (79^2-1)(307^2-1) = (129^2-1)(188^2-1).

Cf. A134856, A134857.

Sequence in context: A071135 A032755 A057535 this_sequence A145277 A123705 A018786

Adjacent sequences: A134855 A134856 A134857 this_sequence A134859 A134860 A134861

hard,more,nonn

Herman Beeksma (herman(AT)beeksma.nl), Nov 13 2007