login
A078385
Euler's totient of numbers which can be written as sum of a positive square and a positive cube.
0
1, 4, 6, 4, 4, 16, 8, 12, 12, 30, 20, 12, 36, 42, 20, 20, 24, 36, 36, 48, 32, 24, 72, 36, 32, 40, 88, 72, 40, 100, 36, 112, 60, 36, 126, 64, 84, 66, 92, 112, 72, 40, 72, 132, 80, 64, 108, 56, 116, 144, 108, 84, 196, 64, 102, 96, 180, 80, 222, 120, 112, 112, 232, 240, 80
OFFSET
1,2
COMMENTS
a(n)=A000010(A055394(n)).
CROSSREFS
Sequence in context: A256424 A214900 A362817 * A137444 A137429 A132024
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 25 2002
STATUS
approved