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Search: id:A043139
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A043139 Numbers n such that 1 and 4 occur juxtaposed in the base 7 representation of n but not of n-1. +0
1
11, 29, 60, 77, 109, 127, 158, 176, 203, 225, 256, 274, 305, 323, 354, 372, 403, 420, 452, 470, 501, 519, 539, 599, 617, 648, 666, 697, 715, 746, 763, 795, 813, 844, 862, 889, 911, 942, 960, 991, 1009, 1040, 1058, 1089, 1106 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A021005 A054692 A056256 this_sequence A043919 A120946 A099909

Adjacent sequences: A043136 A043137 A043138 this_sequence A043140 A043141 A043142

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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