

A039171


Numbers n whose base11 representation has the same number of 1's and 8's.


1



0, 2, 3, 4, 5, 6, 7, 9, 10, 19, 22, 24, 25, 26, 27, 28, 29, 31, 32, 33, 35, 36, 37, 38, 39, 40, 42, 43, 44, 46, 47, 48, 49, 50, 51, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 68, 69, 70, 71, 72, 73, 75, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 89, 99, 101, 102, 103
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OFFSET

1,2


LINKS

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


MATHEMATICA

Select[Range[0, 500], DigitCount[#, 11, 1] == DigitCount[#, 11, 8] &] (* G. C. Greubel, Nov 01 2017 *)


PROG

(PARI) isok(n) = my(d=digits(n, 11)); #select(x>(x==1), d) == #select(x>(x==8), d); \\ Michel Marcus, Nov 01 2017


CROSSREFS

Sequence in context: A059879 A132430 A049537 * A320144 A039270 A039208
Adjacent sequences: A039168 A039169 A039170 * A039172 A039173 A039174


KEYWORD

nonn,base,easy


AUTHOR

Olivier Gérard


STATUS

approved



