OFFSET
1,1
LINKS
Muniru A Asiru, Table of n, a(n) for n = 1..10000
EXAMPLE
9 (composite) is a term because composite(9) = 16 = 2*2*2*2 (4 prime factors);
14 (composite) is a term because composite(14) = 24 = 2*2*2*3 (4 prime factors);
24 (composite) is a term because composite(24) = 36 = 2*2*3*3 (4 prime factors).
PROG
(GAP) A:=Filtered([2..500], n->not IsPrime(n));;
B:=List(List(A, Factors), Length);;
a:=Filtered([1..Length(B)], i->B[i] in A and not IsPrime(i)); # Muniru A Asiru, Feb 10 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jan 20 2009
EXTENSIONS
Corrected (45 inserted, 109 removed, 146 replaced with 146 etc.) by R. J. Mathar, May 05 2010
STATUS
approved