OFFSET
1,4
COMMENTS
All terms are perfect squares.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..16
FORMULA
a(n) = A276258(n)^2.
a(n) = 16*a(n-1)*a(n-2) - 2a(n-1) - 2a(n-2) - 2 - a(n-3).
a(n)*a(n-1)*a(n-2) = ((a(n) + a(n-1) + a(n-2) + 1)/4)^2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Aug 25 2016
STATUS
approved