A055718 Erroneous version of A056171.

0, 1, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 3, 2, 2, 2, 3, 3, 4, 4, 4, 3, 4, 4, 4, 3, 3, 3, 4, 4, 5, 5, 5, 4, 4, 4, 5, 4, 4, 4, 5, 5, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 6, 7, 7, 8, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 10, 9, 9, 9, 9, 9, 10, 10, 10, 9, 10, 10, 10, 9, 9, 9, 10, 10, 10, 10, 10, 9, 9, 9, 10, 10

Offset

1,5

Comments

The old definition was "Number of distinct prime factors of EulerPhi(n!) minus number of primes dividing n!". This comes nowhere nearing producing the given terms, which apart from a(3) are the same as those of A056171.

Links

Table of n, a(n) for n=1..98.

Crossrefs

Sequence in context: A297771 A164995 A294108 * A007302 A362028 A303401

Adjacent sequences: A055715 A055716 A055717 * A055719 A055720 A055721

Keyword

dead

Status

approved