OFFSET
0,1
COMMENTS
One of 10 linear second-order recurrence sequences satisfying (a(n)*a(n-1)-1) * (a(n)*a(n+1)-1) = (a(n)+1)^4 and together forming A350916.
LINKS
FORMULA
a(n) = 3*A001835(n) + 2. - Hugo Pfoertner, Jan 22 2022
G.f.: (5 - 20*x + 11*x^2)/((1 - x)*(1 - 4*x + x^2)). - Stefano Spezia, Jan 22 2022
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Max Alekseyev, Jan 22 2022
STATUS
approved