OFFSET
1,1
MATHEMATICA
Select[Range[1400], MemberQ[Sort/@Partition[IntegerDigits[#, 8], 2, 1], {3, 7}] && !MemberQ[Sort/@Partition[IntegerDigits[#+1, 8], 2, 1], {3, 7}]&] (* Harvey P. Dale, Oct 09 2011 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved