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 A164699 Base 10 integers n such that n base 16 is a substring of n base 7. 0
 1, 2, 3, 4, 5, 6, 1266212, 1315153, 54936934, 54937154, 54937155, 84956246, 84956257, 84956467, 84956677 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE a(7)=1266212 because 1266212 base 10 = 135224 base 16 = 13522403 base 7, and the string 135224 appears in 135522403. MATHEMATICA okQ[n_]:=Module[{idn16=IntegerDigits[n, 16], idn7=IntegerDigits[n, 7]}, MemberQ[Partition[ idn7, Length[idn16], 1], idn16]]; Select[ Range[85000000], okQ]  (* Harvey P. Dale, Apr 29 2011 *) CROSSREFS Sequence in context: A004901 A004912 A292125 * A228050 A308070 A067570 Adjacent sequences:  A164696 A164697 A164698 * A164700 A164701 A164702 KEYWORD base,easy,nonn AUTHOR Gil Broussard, Aug 22 2009 STATUS approved

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Last modified May 24 17:34 EDT 2019. Contains 323534 sequences. (Running on oeis4.)