OFFSET
1,1
MATHEMATICA
Select[Range[1000], MemberQ[Sort/@Partition[IntegerDigits[#, 6], 2, 1], {4, 5}]&& !MemberQ[Sort/@Partition[IntegerDigits[#+1, 6], 2, 1], {4, 5}]&] (* Harvey P. Dale, Apr 12 2011 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved