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A350213 a(n) is the smallest odd number k > 1 whose Collatz trajectory contains n odd terms other than 1, all of which are < 2k. 0
5, 3, 75, 889599926394171, 1503602507542081191567576988391237674543140475, 83276272814888934795930294359718745998045560658956598133222411254239724160031227 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(7) is too large to list here.
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Cf. A006370.
Sequence in context: A109254 A258091 A370551 * A255599 A180403 A343582
Adjacent sequences: A350210 A350211 A350212 * A350214 A350215 A350216
KEYWORD
nonn
AUTHOR
Jon E. Schoenfield, Dec 19 2021
STATUS
approved

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Last modified June 5 01:34 EDT 2024. Contains 373102 sequences. (Running on oeis4.)