OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Flatten[Table[FromDigits[#, 9]&/@Tuples[{3, 4}, n], {n, 5}]] (* Vincenzo Librandi, May 30 2012 *)
PROG
(Magma) [n: n in [1..25000] | Set(IntegerToSequence(n, 9)) subset {3, 4}]; // Vincenzo Librandi, May 30 2012
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved