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A078322 sfk(n*sfk(n)+1), where sfk=A007947 (square-free kernel). +0
3
2, 5, 10, 3, 26, 37, 10, 17, 14, 101, 122, 73, 170, 197, 226, 33, 290, 109, 362, 201, 442, 485, 530, 145, 42, 677, 82, 393, 842, 901, 962, 65, 1090, 1157, 1226, 217, 1370, 85, 1522, 401, 58, 1765, 370, 969, 26, 2117, 2210, 17, 86, 501, 2602, 1353, 2810, 65 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n)=A007947(A078310(n)).

EXAMPLE

a(25) = sfk(25*sfk(25)+1) = sfk(25*sfk(5^2)+1) = sfk(25*5+1) = sfk(125+1) = sfk(126) = sfk(2*3*3*7) = 2*3*7 = 42.

CROSSREFS

Cf. A078325.

Sequence in context: A099796 A022831 A064365 this_sequence A126842 A154680 A140469

Adjacent sequences: A078319 A078320 A078321 this_sequence A078323 A078324 A078325

KEYWORD

nonn,nice

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 23 2002

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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