A182939 Number of terms of A094348 which have n prime divisors (counting repetitions).

1, 1, 2, 1, 3, 5, 4, 3, 3, 6, 9, 8, 10, 11, 12, 11, 12, 11, 12, 14, 14, 14, 16, 18

Offset

0,3

Links

Table of n, a(n) for n=0..23.

Example

a(5) = 5 = card({48, 72, 120, 180, 420}).

Crossrefs

Cf. A094348.

Sequence in context: A209139 A257161 A253676 * A056943 A258654 A171085

Adjacent sequences: A182936 A182937 A182938 * A182940 A182941 A182942

Keyword

nonn,more

Author

Peter Luschny, Jan 06 2011

Status

approved