Cf. A114622 [The power tree (as defined by Knuth)], A003313 [Length of shortest addition chain for n], A113945 [numbers such that Knuth's power tree method produces a result deficient by 1], A115614 [numbers such that Knuth's power tree method produces a result deficient by 2], A115615 [numbers such that Knuth's power tree method produces a result deficient by 3].
Sequence in context: A107787 A099638 A046191 * A226256 A120799 A266054
Adjacent sequences: A115613 A115614 A115615 * A115617 A115618 A115619
