

A039135


Numbers whose base10 representation has the same number of 3's and 4's.


2



0, 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29, 34, 43, 50, 51, 52, 55, 56, 57, 58, 59, 60, 61, 62, 65, 66, 67, 68, 69, 70, 71, 72, 75, 76, 77, 78, 79, 80, 81, 82, 85, 86, 87, 88, 89, 90, 91, 92, 95, 96, 97, 98, 99, 100, 101, 102
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OFFSET

1,3


LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000


MATHEMATICA

Select[Range[0, 200], DigitCount[#, 10, 3] == DigitCount[#, 10, 4] &] (* Vincenzo Librandi, Oct 27 2016 *)


PROG

(MAGMA) [n: n in [0..120]  Multiplicity(S, 3) eq Multiplicity(S, 4) where S is {*d: d in Intseq(n)*}]; // Vincenzo Librandi, Oct 27 2016


CROSSREFS

Sequence in context: A057544 A039239 A039182 * A072957 A073416 A138100
Adjacent sequences: A039132 A039133 A039134 * A039136 A039137 A039138


KEYWORD

nonn,base,easy


AUTHOR

Olivier Gérard


STATUS

approved



