A324729 a(n) = A000120(A323243(n)).

0, 1, 2, 1, 3, 2, 4, 1, 2, 3, 5, 2, 6, 2, 2, 2, 7, 3, 8, 2, 4, 2, 9, 2, 3, 3, 2, 2, 10, 1, 11, 1, 4, 3, 3, 2, 12, 2, 2, 3, 13, 3, 14, 2, 2, 3, 15, 2, 4, 5, 6, 2, 16, 4, 5, 2, 2, 5, 17, 3, 18, 5, 4, 3, 6, 2, 19, 3, 4, 3, 20, 2, 21, 3, 3, 4, 4, 2, 22, 2, 2, 6, 23, 5, 3, 4, 4, 4, 24, 4, 4, 3, 6, 6, 4, 4, 25, 4, 2, 2, 26, 4, 27, 2, 2

Offset

1,3

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) = A000120(A323243(n)).

a(A000040(n)) = n.

Prog

(PARI) A324729(n) = hammingweight(A323243(n)); \\ Needs also code from A323243.

Crossrefs

Cf. A000120, A323243, A324730.

Sequence in context: A363487 A108230 A334202 * A355532 A364192 A253558

Adjacent sequences: A324726 A324727 A324728 * A324730 A324731 A324732

Keyword

nonn

Author

Antti Karttunen, Mar 17 2019

Status

approved