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A043133 Numbers n such that 0 and 3 occur juxtaposed in the base 7 representation of n but not of n-1. 0
21, 52, 70, 101, 119, 147, 168, 199, 217, 248, 266, 297, 315, 346, 364, 395, 413, 444, 462, 490, 511, 542, 560, 591, 609, 640, 658, 689, 707, 738, 756, 787, 805, 833, 854, 885, 903, 934, 952, 983, 1001, 1029, 1081, 1099, 1130 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Sequence in context: A146838 A146593 A176588 * A039310 A043913 A007796

Adjacent sequences:  A043130 A043131 A043132 * A043134 A043135 A043136

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 17 17:29 EDT 2014. Contains 246866 sequences.