A095382 Exponents of power of 2 of the largest terms arising in the 3x+1 iterations started with terms of A095381.

0, 1, 4, 2, 4, 4, 3, 4, 4, 4, 6, 5, 6, 6, 8, 7, 10, 8, 10, 10, 8, 10, 10, 10, 10, 9, 10, 10, 10, 10, 10, 12, 11, 12, 12, 14, 13, 14, 16, 14, 16, 16, 16, 15, 16, 16, 16, 16, 18, 17, 18, 18, 20, 19, 20, 22, 20, 22, 22, 21, 22, 22, 22

Offset

1,3

Links

Table of n, a(n) for n=1..63.

Formula

a[n]=Log[2, A025586[A095381(n)]]

Crossrefs

Cf. A025586, A087256, A095381.

Sequence in context: A075234 A232715 A317951 * A135282 A347409 A179411

Adjacent sequences: A095379 A095380 A095381 * A095383 A095384 A095385

Keyword

nonn

Author

Labos Elemer, Jun 14 2004

Status

approved