OFFSET
1,2
COMMENTS
n-th row of array has A116512(n) terms.
LINKS
Michael De Vlieger, Table of n, a(n) for n = 1..10589 (rows 1 <= n <= 250)
EXAMPLE
12 is divisible by the primes 2 and 3. 2,3,4,8,9,10 are those positive integers which are <= 12, which are divisible by 2 or 3, but are not divisible by 2 and 3. So the 12th row of the array is {2,3,4,8,9,10}.
MATHEMATICA
Table[Select[Range@ n, Function[k, Total@ Boole@ Map[Divisible[k, #] &, FactorInteger[n][[All, 1]]] == 1]], {n, 22}] // Flatten (* Michael De Vlieger, Sep 30 2017 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Leroy Quet, Aug 06 2006
EXTENSIONS
Corrected by Ray Chandler, Aug 29 2006
STATUS
approved