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A044185 Numbers n such that string 6,5 occurs in the base 7 representation of n but not of n-1. 0
47, 96, 145, 194, 243, 292, 329, 341, 390, 439, 488, 537, 586, 635, 672, 684, 733, 782, 831, 880, 929, 978, 1015, 1027, 1076, 1125, 1174, 1223, 1272, 1321, 1358, 1370, 1419, 1468, 1517, 1566, 1615, 1664, 1701, 1713, 1762, 1811 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[2000], MemberQ[Partition[IntegerDigits[#, 7], 2, 1], {6, 5}] && !MemberQ[ Partition[IntegerDigits[#-1, 7], 2, 1], {6, 5}]&] (* Harvey P. Dale, May 21 2013 *)
CROSSREFS
Sequence in context: A004963 A061153 A335076 * A044566 A349231 A141944
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified April 17 20:11 EDT 2024. Contains 371767 sequences. (Running on oeis4.)