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A039173 Numbers n such that representation in base 11 has same number of 1's and 10's. 1
0, 2, 3, 4, 5, 6, 7, 8, 9, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 33, 35, 36, 37, 38, 39, 40, 41, 42, 44, 46, 47, 48, 49, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 62, 63, 64, 66, 68, 69, 70, 71, 72, 73, 74, 75, 77, 79, 80, 81, 82, 83, 84, 85, 86, 88, 90, 91, 92, 93, 94 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

MATHEMATICA

Select[Range[0, 100], DigitCount[#, 11, 1]==DigitCount[#, 11, 10]&] (* Harvey P. Dale, May 06 2017 *)

PROG

(PARI) isok(n) = my(d=digits(n, 11)); #select(x->(x==1), d) == #select(x->(x==10), d); \\ Michel Marcus, Nov 01 2017

CROSSREFS

Sequence in context: A094280 A082323 A069571 * A103951 A342304 A098951

Adjacent sequences:  A039170 A039171 A039172 * A039174 A039175 A039176

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified May 6 17:00 EDT 2021. Contains 343586 sequences. (Running on oeis4.)