OFFSET
1,1
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
MATHEMATICA
smQ[n_] := n == Times @@ ({2, 3}^IntegerExponent[n, {2, 3}]);
seq[max_] := Sort@ Flatten@ Table[If[smQ[i + 1] && smQ[j + 1], Nothing, 2^i * 3^j], {i, 0 , Log2[max]}, {j, 0, Log[3, max/2^i]}]; seq[42000] (* Amiram Eldar, Sep 03 2023 *)
PROG
(Haskell)
a264164 n = a264164_list !! (n-1)
a264164_list = filter ((== 0) . a065333 . a000005') a003586_list
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 19 2015
STATUS
approved