OFFSET
1,1
MATHEMATICA
Select[Range[2500], MemberQ[Partition[IntegerDigits[#, 8], 2, 1], {5, 7}] && !MemberQ[Partition[IntegerDigits[#+1, 8], 2, 1], {5, 7}]&] (* Harvey P. Dale, Jun 06 2011 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved