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 A354824 Dirichlet inverse of A351084, where A351084(n) = gcd(n, A328572(n)), and A328572 converts the primorial base expansion of n into its prime product form, but with 1 subtracted from all nonzero digits. 5
 1, -1, -1, 0, -1, 1, -1, 0, 0, 1, -1, 0, -1, 1, -3, 0, -1, 0, -1, -4, 1, 1, -1, 0, -24, 1, 0, 0, -1, 7, -1, 0, 1, 1, 1, 0, -1, 1, 1, 8, -1, -1, -1, 0, 4, 1, -1, 0, 0, 24, 1, 0, -1, 0, -3, 0, 1, 1, -1, 4, -1, 1, -6, 0, 1, -1, -1, 0, 1, -7, -1, 0, -1, 1, 52, 0, -5, -1, -1, -8, 0, 1, -1, -6, -3, 1, 1, 0, -1, -8, -5, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,15 LINKS Antti Karttunen, Table of n, a(n) for n = 1..30030 Index entries for sequences related to primorial base FORMULA a(1) = 1, and for n > 1, a(n) = -Sum_{d|n, d

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Last modified August 14 02:49 EDT 2024. Contains 375146 sequences. (Running on oeis4.)