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A033495 Initial number for record sum of numbers in trajectory of 3x+1 problem. 0
1, 2, 3, 6, 7, 9, 15, 27, 54, 55, 63, 126, 171, 199, 231, 327, 447, 639, 703, 937, 1249, 1407, 1819, 1915, 2553, 3831, 4095, 4255, 5673, 8511, 9663, 17179, 20895, 26623, 35497, 47329, 52527, 53247, 56095, 60975, 77671, 103561, 113383, 134379, 159487 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..44.

Index entries for sequences related to 3x+1 (or Collatz) problem

CROSSREFS

Sequence in context: A018423 A018700 A018295 * A006877 A263881 A208892

Adjacent sequences:  A033492 A033493 A033494 * A033496 A033497 A033498

KEYWORD

nonn

AUTHOR

Jeff Burch

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Apr 27 2001

STATUS

approved

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Last modified September 25 16:31 EDT 2017. Contains 292499 sequences.