A105744 For n>2, a(n) > 0 is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=1,a(2)=11.

1, 11, 12, 20, 8, 1, 7, 8, 12, 8, 4, 4, 3, 1, 2, 3, 2, 1, 1, 2, 3, 2

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Crossrefs

Cf. A105734 - A105746.

Sequence in context: A176650 A046465 A134926 * A092096 A057303 A121979

Adjacent sequences: A105741 A105742 A105743 * A105745 A105746 A105747

Keyword

nonn

Author

Zak Seidov, Apr 19 2005

Status

approved