A126015 - OEIS

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A126015

Lucas numbers divided by their primitive part.

1, 1, 1, 1, 1, 3, 1, 1, 4, 3, 1, 7, 1, 3, 44, 1, 1, 18, 1, 7, 116, 3, 1, 47, 11, 3, 76, 7, 1, 738, 1, 1, 796, 3, 319, 322, 1, 3, 2084, 47, 1, 5058, 1, 7, 25916, 3, 1, 2207, 29, 123, 14284, 7, 1, 5778, 2189, 47, 37396, 3, 1, 695842, 1, 3, 465044, 1, 5731, 237618, 1, 7, 256316

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OFFSET

1,6

COMMENTS

Note that a(n)=1 for prime n and for n=2^k for k=0,1,2,...

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

FORMULA

a(n)=L(n)/A061447(n)

CROSSREFS

Cf. A000032 (Lucas numbers), A105602 (Fibonacci numbers divided by their primitive part).

Sequence in context: A342805 A363901 A049999 * A247169 A144336 A036040

Adjacent sequences: A126012 A126013 A126014 * A126016 A126017 A126018

KEYWORD

nonn

AUTHOR

T. D. Noe, Dec 16 2006

STATUS

approved