OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Flatten[Position[Partition[If[MemberQ[Partition[IntegerDigits[#, 7], 2, 1], {3, 5}], 1, 0]&/@Range[2000], 2, 1], _?(#=={1, 0}&)]] (* Harvey P. Dale, Jul 09 2014 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved