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A031206 Numbers having period-21 7-digitized sequences. 0
19, 34, 43, 91, 109, 127, 172, 190, 217, 247, 271, 274, 304, 334, 340, 343, 349, 388, 394, 403, 427, 430, 433, 439, 472, 493, 568, 586, 658, 685, 712, 721, 724, 742, 838, 856, 865, 883, 901, 910, 934, 943, 1009, 1027, 1072, 1090, 1114, 1141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

Eric Weisstein's World of Mathematics, Digitaddition

CROSSREFS

Sequence in context: A146571 A235869 A140601 * A214231 A242847 A044064

Adjacent sequences:  A031203 A031204 A031205 * A031207 A031208 A031209

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified June 25 00:08 EDT 2022. Contains 354830 sequences. (Running on oeis4.)