1,1

The sequence is involved in the Pell equation (A158937(n))^2 - A(n)*(a(n))^2 = 1,

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

Edward Everett Withford, Pell Equation

Wolfram MathWorld, Pell Equation

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

Cf. A158933, A158937

Sequence in context: A114672 A115343 A046327 this_sequence A029831 A064869 A016824

Adjacent sequences: A158933 A158934 A158935 this_sequence A158937 A158938 A158939

nonn

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

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