A063046 Length of non-periodic head in Collatz-2 (A063041) trajectory starting at n.

6, 5, 7, 10, 6, 5, 8, 5, 11, 11, 7, 8, 6, 11, 9, 28, 5, 10, 12, 6, 12, 17, 8, 11, 9, 6, 7, 15, 12, 16, 10, 12, 29, 6, 5, 25, 11, 9, 13, 21, 7, 11, 13, 12, 18

Offset

2,1

Links

Table of n, a(n) for n=2..46.

Example

a(3) = 5 (see A063042), a(17) = 28 (see A063043), a(29) = 15 (see A063044)

Crossrefs

Cf. A063041, A063042, A063043, A063044.

Sequence in context: A021156 A182448 A179591 * A104909 A266077 A019167

Adjacent sequences: A063043 A063044 A063045 * A063047 A063048 A063049

Keyword

nonn,more

Author

Reinhard Zumkeller, Jul 07 2001

Extensions

a(14) corrected by Sean A. Irvine, Apr 16 2023

Status

approved