A286631 a(n) = A278222(A254104(n)).

1, 2, 2, 4, 6, 2, 8, 12, 4, 6, 16, 6, 24, 12, 2, 12, 32, 8, 30, 48, 12, 36, 6, 4, 24, 64, 6, 24, 60, 16, 96, 60, 6, 72, 12, 24, 12, 48, 12, 128, 30, 2, 72, 120, 12, 48, 192, 32, 180, 30, 8, 144, 24, 30, 120, 36, 48, 96, 60, 12, 256, 60, 36, 6, 216, 6, 240, 60, 4, 144, 384, 24, 96, 360, 64, 60, 24, 6, 288, 48, 24, 210, 360, 60, 72, 240, 16, 192

Offset

0,2

Links

Antti Karttunen, Table of n, a(n) for n = 0..9842

Indranil Ghosh, Python program to generate the sequence

Formula

a(n) = A278222(A254104(n)).

Prog

(Scheme) (define (A286631 n) (A278222 (A254104 n)))

Crossrefs

Cf. A254104, A278222, A286243.

Sequence in context: A238972 A207193 A319579 * A286243 A368259 A305125

Adjacent sequences: A286628 A286629 A286630 * A286632 A286633 A286634

Keyword

nonn

Author

Antti Karttunen, Jun 03 2017

Status

approved