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A133426
Analog of A060410 for the 7x+1 problem (cf. A133421).
2
8, 50, 162, 470, 9584, 28400, 91890, 193040, 265070, 291824, 337100, 388830, 524070, 3231824, 18052070, 30949850, 31021880, 65552768, 774659600, 10276607888, 38128783428, 190067750300, 4835458627140, 25515567812750
OFFSET
1,1
COMMENTS
The 7x+1 map sends x to x/2 if x is even, x/3 if x is divisible by 3, x/5 if x is divisible by 5, otherwise 7x+1.
LINKS
N. J. A. Sloane, Table of n, a(n) for n=1..53 (from the web page of Tomás Oliveira e Silva)
Tomás Oliveira e Silva, The px+1 problem
CROSSREFS
Sequence in context: A300877 A301487 A299686 * A212063 A300318 A290617
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 27 2007
STATUS
approved