A078385 Euler's totient of numbers which can be written as sum of a positive square and a positive cube.

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)).

Links

Table of n, a(n) for n=1..65.

Crossrefs

Sequence in context: A256424 A214900 A362817 * A137444 A137429 A132024

Adjacent sequences: A078382 A078383 A078384 * A078386 A078387 A078388

Keyword

nonn

Author

Reinhard Zumkeller, Nov 25 2002

Status

approved