OFFSET
1,1
MATHEMATICA
Select[Range[1500], MemberQ[Partition[IntegerDigits[#, 6], 2, 1], {2, 3}] && !MemberQ[Partition[IntegerDigits[#-1, 6], 2, 1], {2, 3}]&] (* Harvey P. Dale, Mar 16 2012 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved