A078321 Euler's totient of n*rad(n)+1, where rad=A007947 (squarefree kernel).

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

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 A352845

Adjacent sequences: A078318 A078319 A078320 * A078322 A078323 A078324

Keyword

nonn

Author

Reinhard Zumkeller, Nov 23 2002

Status

approved