OFFSET
0,2
COMMENTS
Trivially, a(n+1)/a(n) is an integer for n>=0, so (a(n)) is a divisibility sequence.
MATHEMATICA
q[n_] := Fibonacci[n]
p[n_] := Product[q[k] + 3, {k, 0, n}]
Table[(1/3)*Simplify[p[n]], {n, 0, 20}]
PROG
(PARI) a(n) = prod(k=0, n, fibonacci(k)+3)/3; \\ Michel Marcus, Aug 04 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 03 2024
STATUS
approved