1,1

The sequence is involved in the Pell equation (a(n))^2 - A(n)*(A158936(n))^2 = 1,

where A(n) = (A158933(n)^2+1)/3805^2.

Philippe Chevanne, Pell Equation

Vincenzo Librandi, X^2-AY^2=1

Wolfram MathWorld, Pell Equation

Cf. A158933, A158936

Sequence in context: A129474 A015411 A034649 this_sequence A147769 A129616 A105006

Adjacent sequences: A158934 A158935 A158936 this_sequence A158938 A158939 A158940

nonn

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Mar 31 2009

Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 26 2009