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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
OFFSET
1,2
COMMENTS
a(n)=A000010(A078310(n)).
LINKS
PROG
(Haskell)
a078321 = a000010 . a078310 -- Reinhard Zumkeller, Jul 23 2013
CROSSREFS
Sequence in context: A213426 A054223 A160643 * A195954 A278532 A352845
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 23 2002
STATUS
approved