OFFSET
0,4
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10
FORMULA
a(n) = A208209(n)^2.
MATHEMATICA
RecurrenceTable[{a[n] == (a[n - 1] a[n - 2] + 1)^2/a[n - 3], a[0] == a[1] == a[2] == 1}, a, {n, 0, 8}] (* Michael De Vlieger, Aug 26 2016 *)
PROG
(Ruby)
def A(m, n)
a = Array.new(m, 1)
ary = [1]
while ary.size < n + 1
i = a[1..-1].inject(:*) + 1
i *= i
break if i % a[0] > 0
a = *a[1..-1], i / a[0]
ary << a[0]
end
ary
end
def A276266(n)
A(3, n)
end
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Aug 26 2016
STATUS
approved