OFFSET
1,2
EXAMPLE
Number 24 is not in the sequence because 24 = 4 * 6.
PROG
(Magma) [n: n in [1..1000] | (#PrimeDivisors(n) eq 1 and NumberOfDivisors(n) lt 6) or (#PrimeDivisors(n) eq 2 and NumberOfDivisors(n) lt 8) or (#PrimeDivisors(n) ge 3 and NumberOfDivisors(n) lt 12) ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Jul 07 2017
STATUS
approved