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Number of terms of A094348 which have n prime divisors (counting repetitions).
0

%I #10 Jan 01 2022 09:55:02

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

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

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

%Y Cf. A094348.

%K nonn,more

%O 0,3

%A _Peter Luschny_, Jan 06 2011