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.
%I A370871 #7 Mar 12 2024 22:35:46 %S A370871 3,9,27,28,30,36,81,82,84,86,88,90,92,96,100,102,108,110,114,126,136, %T A370871 138,144,166,172,174,190,192,198,243,244,246,247,248,250,252,253,254, %U A370871 255,258,262,264,270,271,272,273,276,279,288,298,300,306,324,325,326 %N A370871 Numbers m such that c(0) >= c(1) > c(2), where c(k) = number of k's in the ternary representation of m. %e A370871 The ternary representation of 84 is 10010, for which c(0)=3 >= c(1)=2 > c(2)=0. %t A370871 Select[Range[1000], DigitCount[#, 3, 0] >= DigitCount[#, 3, 1] > DigitCount[#, 3, 2] &] %Y A370871 Cf. A007089, A077267, A062756, A081603. %Y A370871 Cf. A370870, A370872, A370873. %K A370871 nonn,base %O A370871 1,1 %A A370871 _Clark Kimberling_, Mar 11 2024