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A078321 Euler's totient of n*rad(n)+1, where rad=A007947 (squarefree kernel). 2
1, 4, 4, 6, 12, 36, 20, 16, 12, 100, 60, 72, 64, 196, 112, 20, 112, 108, 180, 132, 192, 384, 208, 112, 36, 676, 40, 260, 420, 832, 432, 48, 432, 1056, 612, 180, 544, 1088, 760, 400, 812, 1408, 720, 576, 312, 2016, 768, 272, 168, 332, 1300, 800, 1120, 240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n)=A000010(A078310(n)).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

PROG

(Haskell)

a078321 = a000010 . a078310  -- Reinhard Zumkeller, Jul 23 2013

CROSSREFS

Sequence in context: A213426 A054223 A160643 * A195954 A278532 A128089

Adjacent sequences:  A078318 A078319 A078320 * A078322 A078323 A078324

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 23 2002

STATUS

approved

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Last modified January 20 02:29 EST 2018. Contains 297938 sequences.