A334090 - OEIS

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A334090

a(1) = 0, and then after the first differences of A064097.

0, 1, 1, 0, 1, 0, 1, -1, 1, 0, 1, -1, 1, 0, 0, -1, 1, 0, 1, -1, 1, 0, 1, -2, 1, 0, 0, 0, 1, -1, 1, -2, 2, -1, 1, -1, 1, 0, 0, -1, 1, 0, 1, -1, 0, 1, 1, -3, 2, -1, 0, 0, 1, -1, 1, -1, 1, 0, 1, -2, 1, 0, 0, -2, 2, 0, 1, -2, 2, -1, 1, -2, 1, 0, 0, 0, 1, -1, 1, -2, 1, 0, 1, -1, 0, 1, 0, -1, 1, -1, 1, 0, 0, 1, -1, -2, 1, 1, 0, -1, 1, -1, 1, -1, 1

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

OFFSET

1,24

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..65537

FORMULA

a(1) = 0, and for n > 1, a(n) = A064097(n) - A064097(n-1).

a(n) = A334091(n) + A334195(n).

PROG

(PARI)

A064097(n) = if(1==n, 0, 1+A064097(n-(n/vecmin(factor(n)[, 1]))));

A334090(n) = if(1==n, 0, A064097(n)-A064097(n-1));