A078378 Total number of prime factors of numbers which can be written as sum of a positive square and a positive cube.

1, 1, 2, 2, 3, 1, 4, 2, 3, 1, 2, 4, 1, 1, 3, 3, 3, 2, 3, 2, 3, 5, 1, 3, 5, 2, 1, 2, 4, 1, 5, 1, 2, 4, 1, 7, 2, 2, 2, 2, 3, 4, 4, 2, 3, 3, 3, 3, 2, 2, 4, 4, 1, 4, 2, 5, 2, 4, 1, 4, 2, 4, 1, 1, 3, 5, 1, 4, 5, 2, 1, 5, 1, 2, 3, 4, 4, 3, 7, 2, 3, 3, 1, 4, 1, 4, 4, 6, 1, 1, 6, 2, 5, 3, 1, 2, 3, 3, 5, 1, 2, 5, 3, 4, 4

Offset

1,3

Comments

a(n)=A001222(A055394(n)).

Links

Table of n, a(n) for n=1..105.

Crossrefs

Cf. A078377, A078379.

Sequence in context: A322316 A260439 A182471 * A141197 A035207 A324829

Adjacent sequences: A078375 A078376 A078377 * A078379 A078380 A078381

Keyword

nonn

Author

Reinhard Zumkeller, Nov 25 2002

Status

approved