cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A370870 Numbers m such that c(0) > c(1) > c(2), where c(k) = number of k's in the ternary representation of m.

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%I A370870 #8 Mar 12 2024 22:33:44
%S A370870 9,27,81,82,84,90,108,243,244,246,248,250,252,254,258,262,264,270,272,
%T A370870 276,288,298,300,306,324,326,330,342,378,406,408,414,432,490,496,498,
%U A370870 514,516,522,568,570,576,594,729,730,732,733,734,736,738,739,740,741
%N A370870 Numbers m such that c(0) > c(1) > c(2), where c(k) = number of k's in the ternary representation of m.
%e A370870 The ternary representation of 84 is 10010, for which c(0)=3 > c(1)=2 > c(2)=0.
%t A370870 Select[Range[1000], DigitCount[#, 3, 0] > DigitCount[#, 3, 1] > DigitCount[#, 3, 2] &]
%Y A370870 Cf. A007089, A077267, A062756, A081603.
%Y A370870 Cf. A370853, A370859, A370863, A370864, A370871, A370872, A370873.
%K A370870 nonn,base
%O A370870 1,1
%A A370870 _Clark Kimberling_, Mar 11 2024