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A039408 Numbers n such that representation in base 10 has same nonzero number of 1's and 8's. 0
18, 81, 108, 128, 138, 148, 158, 168, 178, 180, 182, 183, 184, 185, 186, 187, 189, 198, 218, 281, 318, 381, 418, 481, 518, 581, 618, 681, 718, 781, 801, 810, 812, 813, 814, 815, 816, 817, 819, 821, 831, 841, 851, 861, 871, 891, 918, 981, 1008, 1028 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

MATHEMATICA

Select[Range[1200], DigitCount[#, 10, 1]==DigitCount[#, 10, 8]>0&] (* Harvey P. Dale, Feb 04 2015 *)

CROSSREFS

Sequence in context: A219144 A063495 A264850 * A043231 A044011 A085504

Adjacent sequences:  A039405 A039406 A039407 * A039409 A039410 A039411

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified February 21 04:22 EST 2018. Contains 299389 sequences. (Running on oeis4.)