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A063046 Length of non-periodic head in Collatz-2 (A063041) trajectory starting at n. +0
2
6, 5, 7, 10, 6, 5, 8, 5, 11, 11, 7, 8, 7, 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 (list; graph; listen)
OFFSET

2,1

EXAMPLE

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

CROSSREFS

A063041, A063042, A063043, A063044.

Sequence in context: A152149 A086268 A021156 this_sequence A104909 A019167 A019324

Adjacent sequences: A063043 A063044 A063045 this_sequence A063047 A063048 A063049

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 07 2001

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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