A253723 Length of shortest addition chain corresponding to maximum of A003313(k)/log_2(k) in interval 2^n < k < 2^(n+1).

2, 4, 5, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 38

Offset

1,1

Comments

The values of k, for which the maximum values are obtained, are given in A264803.

Links

Table of n, a(n) for n=1..30.

Crossrefs

Cf. A003313, A264803.

Sequence in context: A010423 A035235 A354482 * A014132 A184008 A183862

Adjacent sequences: A253720 A253721 A253722 * A253724 A253725 A253726

Keyword

nonn,more

Author

Hugo Pfoertner, Dec 18 2015

Status

approved