A334091 - OEIS

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A334091

a(1) = 0, then after the first differences of A329697.

0, 0, 1, -1, 1, 0, 1, -2, 2, -1, 1, -1, 1, 0, 0, -2, 1, 1, 1, -2, 2, -1, 1, -2, 1, 0, 1, -1, 1, -1, 1, -3, 3, -2, 2, -1, 1, 0, 0, -2, 1, 1, 1, -2, 1, 0, 1, -3, 3, -2, 0, 0, 1, 0, 0, -1, 2, -1, 1, -2, 1, 0, 1, -4, 3, 0, 1, -3, 3, -1, 1, -2, 1, 0, 0, 0, 1, -1, 1, -3, 3, -2, 1, 0, -1, 2, 0, -2, 1, 0, 1, -1, 1, 0, 0, -3, 1, 2, 0, -2, 1, -1, 1, -1, 2

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

OFFSET

1,8

LINKS

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

FORMULA

a(1) = 0, and for n > 1, a(n) = A329697(n) - A329697(n-1).

a(n) = A334090(n) - A334195(n).

PROG

(PARI)

A329697(n) = if(!bitand(n, n-1), 0, 1+A329697(n-(n/vecmax(factor(n)[, 1]))));

A334091(n) = if(1==n, 0, A329697(n)-A329697(n-1));