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 A286606 a(n) = n mod product of nonzero digits of n in factorial base. 2
 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 4, 5, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 4, 5, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 0, 1, 2, 3, 10, 11, 0, 1, 2, 0, 4, 5, 0, 1, 2, 0, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 2, 3, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 6, 7, 8, 9, 22, 23, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,20 LINKS Antti Karttunen, Table of n, a(n) for n = 1..10080 FORMULA a(n) = n mod A227153(n). PROG (Scheme) (define (A286606 n) (modulo n (A227153 n))) (Python) from operator import mul def a007623(n, p=2): return n if n

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Last modified February 21 20:32 EST 2020. Contains 332111 sequences. (Running on oeis4.)