A278531 a(n) = A046523(A163511(n)).

1, 2, 4, 2, 8, 4, 6, 2, 16, 8, 12, 4, 12, 6, 6, 2, 32, 16, 24, 8, 36, 12, 12, 4, 24, 12, 30, 6, 12, 6, 6, 2, 64, 32, 48, 16, 72, 24, 24, 8, 72, 36, 60, 12, 36, 12, 12, 4, 48, 24, 60, 12, 60, 30, 30, 6, 24, 12, 30, 6, 12, 6, 6, 2, 128, 64, 96, 32, 144, 48, 48, 16, 216, 72, 120, 24, 72, 24, 24, 8, 144, 72, 180, 36, 180, 60, 60, 12, 72, 36, 60, 12, 36, 12, 12, 4

Offset

0,2

Links

Antti Karttunen, Table of n, a(n) for n = 0..8191

Formula

a(n) = A046523(A163511(n)).

a(n) = A278222(A054429(n)).

Prog

(Scheme) (define (A278531 n) (A046523 (A163511 n)))

Crossrefs

Cf. A046523, A054429, A163511, A278222, A278533, A278535.

Sequence in context: A267584 A337194 A343997 * A366279 A364297 A370353

Adjacent sequences: A278528 A278529 A278530 * A278532 A278533 A278534

Keyword

nonn

Author

Antti Karttunen, Nov 30 2016

Status

approved