A252371 a(n) = A243055(A251727(n)).

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

Offset

1,1

Links

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

Formula

a(n) = A243055(A251727(n)).

a(n) = A243055(A066048(A251727(n))). [Result depends only on the smallest and the largest prime factor of A251727(n).]

Prog

(Scheme) (define (A252371 n) (A243055 (A251727 n)))

Crossrefs

Cf. A252370, A243055, A251727, A066048.

Sequence in context: A265110 A304742 A003976 * A275817 A286533 A172520

Adjacent sequences: A252368 A252369 A252370 * A252372 A252373 A252374

Keyword

nonn

Author

Antti Karttunen, Dec 17 2014

Status

approved