OFFSET
1,1
COMMENTS
Similar to A175340, but without the requirement that the composite numbers be consecutive. In this case, the k in A175340 can be taken to be 2.
Almost all numbers are in this sequence. Its complement has density O(n (log log n)^4/log n). - Charles R Greathouse IV, May 23 2011
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
EXAMPLE
192 = 12*16 = 4*6*8.
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, May 23 2011
STATUS
approved