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A217937
Numbers achieving strength records in 3x+1 problem.
3
1, 63728127, 13371194527, 3743559068799, 100759293214567, 104899295810901231
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
Eric Roosendaal,
3x + 1 strength records
CROSSREFS
Cf.
A217935
,
A217936
,
A217937
.
Sequence in context:
A172777
A172844
A116499
*
A203932
A223288
A223485
Adjacent sequences:
A217934
A217935
A217936
*
A217938
A217939
A217940
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Oct 21 2012
STATUS
approved
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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)