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A324832 Number of divisors d of n such that A323243(d) == 2 (mod 3). 6
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 2, 0, 1, 0, 1, 0, 0, 0, 3, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 4, 0, 1, 0, 1, 0, 0, 0, 2, 0, 2, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 1, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,32

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552)

Index entries for sequences related to binary expansion of n

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to sigma(n)

FORMULA

a(n) = A000005(n) - (A324830(n) + A324831(n)).

a(p) = 0 for all primes p.

PROG

(PARI) A324832(n) = sumdiv(n, d, (2==(A323243(d))%3));

CROSSREFS

Cf. A000005, A000203, A156552, A323243, A324830, A324831.

Sequence in context: A064727 A343222 A112378 * A035203 A173920 A230001

Adjacent sequences:  A324829 A324830 A324831 * A324833 A324834 A324835

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 16 2019

STATUS

approved

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Last modified January 26 16:03 EST 2022. Contains 350599 sequences. (Running on oeis4.)