OFFSET
1,1
COMMENTS
Constant is associated with A135961.
EXAMPLE
3.5769727481316948565395...
MATHEMATICA
RealDigits[N[Sum[5^(k/2)*((1+Sqrt[5])/2)^(-k^2), {k, -Infinity, Infinity}], 131], 10, 130][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Nov 29 2012
STATUS
approved