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A097378 SquareFreeKernel(n)*CubeFreeKernel(n) + 1. +0
2
2, 5, 10, 9, 26, 37, 50, 9, 28, 101, 122, 73, 170, 197, 226, 9, 290, 109, 362, 201, 442, 485, 530, 73, 126, 677, 28, 393, 842, 901, 962, 9, 1090, 1157, 1226, 217, 1370, 1445, 1522, 201, 1682, 1765, 1850, 969, 676, 2117, 2210, 73, 344, 501, 2602, 1353, 2810 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n) = A007947(n)*A007948(n) + 1.

LINKS

Eric Weisstein's World of Mathematics, Squarefree

Eric Weisstein's World of Mathematics, Cubefree

CROSSREFS

Cf. A097381, A005117, A004709.

Sequence in context: A154680 A140469 A001440 this_sequence A078310 A138848 A123466

Adjacent sequences: A097375 A097376 A097377 this_sequence A097379 A097380 A097381

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 11 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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