A328842 - OEIS

A328842

Decrement each nonzero digit by one in primorial base representation of n, then convert back to decimal.

0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 6, 6, 6, 6, 8, 8, 12, 12, 12, 12, 14, 14, 18, 18, 18, 18, 20, 20, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 6, 6, 6, 6, 8, 8, 12, 12, 12, 12, 14, 14, 18, 18, 18, 18, 20, 20, 30, 30, 30, 30, 32, 32, 30, 30, 30, 30, 32, 32, 36, 36, 36, 36, 38, 38, 42, 42, 42, 42, 44, 44, 48, 48, 48, 48, 50, 50, 60, 60

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,5

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..30030

Index entries for sequences related to primorial base

FORMULA

a(n) = n - A328841(n).

a(n) = A276085(A328572(n)) = A276085(A003557(A276086(n))).

For all n >= 0, a(A276086(n)) = A328844(n).

For all n >= 1, A328114(a(n)) = A328114(n) - 1.

PROG