A272756 a(n) is the least k such that k > A070939(n * k).

3, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11

Offset

1,1

Links

Peter Kagey, Table of n, a(n) for n = 1..10000

Example

a(1) = 3 because 3 > A070939(1 * 3) = 2.
a(2) = 5 because 5 > A070939(2 * 5) = 4.
a(5) = 6 because 6 > A070939(5 * 6) = 5.

Mathematica

Table[SelectFirst[Range[2^12], # > IntegerLength[n #, 2] &], {n, 80}] (* Michael De Vlieger, May 05 2016, Version 10 *)

Crossrefs

Cf. A070939.

Sequence in context: A330917 A330912 A029912 * A322350 A205560 A195939

Adjacent sequences: A272753 A272754 A272755 * A272757 A272758 A272759

Keyword

nonn,base

Author

Peter Kagey, May 05 2016

Status

approved