OFFSET
0,6
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..15
FORMULA
a(n) = 15*a(n-1)*a(n-2)*a(n-3)*a(n-4)-a(n-1)-a(n-2)-a(n-3)-a(n-4)-a(n-5).
MATHEMATICA
nxt[{a_, b_, c_, d_, e_}]:={b, c, d, e, 15(b*c*d*e)-a-b-c-d-e}; NestList[nxt, {1, 1, 1, 1, 1}, 15][[;; , 1]] (* Harvey P. Dale, May 18 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Aug 21 2016
STATUS
approved