cp's OEIS Frontend

A352919 Indices k where k/A109812(k) reaches a new high point.

%I A352919 #15 Apr 26 2022 12:58:06
%S A352919 1,4,9,16,76,162,418,1892,19094,19298,20059,84653,174566,1688099
%N A352919 Indices k where k/A109812(k) reaches a new high point.
%C A352919 The corresponding values of A109812(k) are given in A352920.
%C A352919 This is a subset of A352359.
%e A352919 Let c(k) denote A109812(k). The first 14 record high-points of k/c(k) are as follows:
%e A352919 [k/c(k), k, c(k), "binary(c(n))"]
%e A352919 [1.000000000 1 1 "1"]
%e A352919 [1.333333333 4 3 "11"]
%e A352919 [1.500000000 9 6 "110"]
%e A352919 [2.285714286 16 7 "111"]
%e A352919 [2.451612903 76 31 "11111"]
%e A352919 [2.571428571 162 63 "111111"]
%e A352919 [3.291338583 418 127 "1111111"]
%e A352919 [3.702544031 1892 511 "111111111"]
%e A352919 [4.665037870 19094 4093 "111111111101"]
%e A352919 [4.713727406 19298 4094 "111111111110"]
%e A352919 [4.898412698 20059 4095 "111111111111"]
%e A352919 [5.167124458 84653 16383 "11111111111111"]
%e A352919 [5.327494125 174566 32767 "111111111111111"]
%e A352919 [6.439611205 1688099 262143 "111111111111111111"]
%e A352919 The values of k and c(k) form the present sequence and A352920.
%Y A352919 Cf. A109812, A113233, A352203, A352204, A352336, A352359, A352917-A352923.
%K A352919 nonn,more
%O A352919 1,2
%A A352919 _David Broadhurst_, Aug 17 2022 (entry created by _N. J. A. Sloane_, Apr 23 2022)