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.

A296702 Numbers whose base-6 digits d(m), d(m-1), ... d(0) have #(rises) < #(falls); see Comments.

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%I A296702 #9 Jan 27 2023 19:09:18
%S A296702 6,12,13,18,19,20,24,25,26,27,30,31,32,33,34,36,42,72,78,79,84,85,108,
%T A296702 114,115,120,121,122,126,127,128,144,150,151,156,157,158,162,163,164,
%U A296702 165,168,169,170,171,180,186,187,192,193,194,198,199,200,201,204
%N A296702 Numbers whose base-6 digits d(m), d(m-1), ... d(0) have #(rises) < #(falls); see Comments.
%C A296702 A rise is an index i such that d(i) < d(i+1); a fall is an index i such that d(i) > d(i+1). The sequences A296700-A296702 partition the natural numbers. See the guide at A296712.
%H A296702 Clark Kimberling, <a href="/A296702/b296702.txt">Table of n, a(n) for n = 1..10000</a>
%e A296702 The base-6 digits of 224 are 5,4,0; here #(rises) = 0 and #(falls) = 2, so 204 is in the sequence.
%t A296702 z = 200; b = 6; d[n_] := Sign[Differences[IntegerDigits[n, b]]];
%t A296702 Select[Range [z], Count[d[#], -1] == Count[d[#], 1] &] (* A296700 *)
%t A296702 Select[Range [z], Count[d[#], -1] < Count[d[#], 1] &]  (* A296701 *)
%t A296702 Select[Range [z], Count[d[#], -1] > Count[d[#], 1] &]  (* A296702 *)
%Y A296702 Cf. A296700, A296701, A296712.
%K A296702 nonn,easy,base
%O A296702 1,1
%A A296702 _Clark Kimberling_, Jan 07 2018