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A044688
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Numbers n such that string 6,2 occurs in the base 9 representation of n but not of n+1.
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56, 137, 218, 299, 380, 461, 512, 542, 623, 704, 785, 866, 947, 1028, 1109, 1190, 1241, 1271, 1352, 1433, 1514, 1595, 1676, 1757, 1838, 1919, 1970, 2000, 2081, 2162, 2243, 2324, 2405, 2486, 2567, 2648, 2699, 2729, 2810
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| Select[Range[3000], MemberQ[Partition[IntegerDigits[#, 9], 2, 1], {6, 2}] && !MemberQ[Partition[IntegerDigits[#+1, 9], 2, 1], {6, 2}]&] (* From Harvey P. Dale, Nov 02 2011 *)
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CROSSREFS
| Sequence in context: A121736 A107937 A044307 * A201096 A038850 A044388
Adjacent sequences: A044685 A044686 A044687 * A044689 A044690 A044691
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KEYWORD
| nonn,base
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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