1,1

Minimum number in row of power tree A114622. The first 11 terms are identical with A003064.

Table of n, a(n) for n=1..33.

Cf. A114622 [The power tree (as defined by Knuth)], A003064 [Smallest number with addition chain of length n], A113945 [numbers such that Knuth's power tree method produces a result deficient by 1].

Sequence in context: A158069 A039726 A340418 * A003064 A057429 A137814

Adjacent sequences: A115614 A115615 A115616 * A115618 A115619 A115620

nonn

Hugo Pfoertner, Jan 29 2006

a(28)-a(32) from Hugo Pfoertner, Sep 05 2015

a(33) from Hugo Pfoertner, Oct 01 2015

approved