A278523 a(n) = A046523(A249818(n)).

1, 2, 2, 4, 2, 6, 2, 8, 4, 6, 2, 12, 2, 6, 6, 16, 2, 12, 2, 12, 8, 6, 2, 24, 4, 6, 6, 12, 2, 30, 2, 32, 12, 6, 6, 36, 2, 6, 6, 24, 2, 30, 2, 12, 16, 6, 2, 48, 4, 12, 12, 12, 2, 24, 8, 24, 12, 6, 2, 60, 2, 6, 6, 64, 6, 30, 2, 12, 24, 30, 2, 72, 2, 6, 6, 12, 6, 30, 2, 48, 12, 6, 2, 60, 12, 6, 30, 24, 2, 60, 8, 12, 32, 6, 6, 96, 2, 12, 6, 36, 2, 30, 2, 24, 36, 6

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..10000

Formula

a(n) = A046523(A249818(n)).

Prog

(Scheme) (define (A278523 n) (A046523 (A249818 n)))

Crossrefs

Cf. A046523, A249818.

Differs from related A278524 for the first time at n=42, where a(42)=30, while A278524(42)=24.

Sequence in context: A275468 A046523 A278524 * A071364 A278237 A328707

Adjacent sequences: A278520 A278521 A278522 * A278524 A278525 A278526

Keyword

nonn

Author

Antti Karttunen, Nov 30 2016

Status

approved