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

1, 4, 9, 16, 76, 162, 418, 1892, 19094, 19298, 20059, 84653, 174566, 1688099

Offset: 1

Author

David Broadhurst, Aug 17 2022 (entry created by N. J. A. Sloane, Apr 23 2022)

Keywords

• nonn
• more

Comments

The corresponding values of A109812(k) are given in A352920.

This is a subset of A352359.

Examples

			Let c(k) denote A109812(k). The first 14 record high-points of k/c(k) are as follows:
[k/c(k), k, c(k), "binary(c(n))"]
[1.000000000 1 1 "1"]
[1.333333333 4 3 "11"]
[1.500000000 9 6 "110"]
[2.285714286 16 7 "111"]
[2.451612903 76 31 "11111"]
[2.571428571 162 63 "111111"]
[3.291338583 418 127 "1111111"]
[3.702544031 1892 511 "111111111"]
[4.665037870 19094 4093 "111111111101"]
[4.713727406 19298 4094 "111111111110"]
[4.898412698 20059 4095 "111111111111"]
[5.167124458 84653 16383 "11111111111111"]
[5.327494125 174566 32767 "111111111111111"]
[6.439611205 1688099 262143 "111111111111111111"]
The values of k and c(k) form the present sequence and A352920.
		

Crossrefs

Cf. A109812, A113233, A352203, A352204, A352336, A352359, A352917-A352923.