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A057614 a(n+1) = a(n)/2 if 2|a(n), a(n)/3 if 3|a(n), a(n)/5 if 5|a(n), a(n)/7 if 7|a(n), else 11*a(n)+1. 14
17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51, 17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51, 17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51, 17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51, 17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51, 17, 188, 94, 47, 518, 259, 37, 408, 204, 102, 51 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This is the `11x+1' map. The `Px+1 map': if x is divisible by any prime < P then divide out these primes one at a time starting with the smallest; otherwise multiply x by P and add 1.

REFERENCES

Murad A. AlDamen, Smarandache Notion Journal, "Murad iterating function" [details?].

Murad A. AlDamen, Murad iterating function, Journal of University of Jerash, 2001, to appear.

LINKS

Table of n, a(n) for n=0..65.

Eric Weisstein's World of Mathematics, Collatz problem

CROSSREFS

Cf. A057446, A057216, A057522, A057534.

Sequence in context: A199674 A022741 A225966 * A041548 A025931 A115234

Adjacent sequences:  A057611 A057612 A057613 * A057615 A057616 A057617

KEYWORD

nonn

AUTHOR

Murad A. AlDamen (Divisibility(AT)yahoo.com), Oct 17 2000

STATUS

approved

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Last modified January 18 20:57 EST 2019. Contains 319282 sequences. (Running on oeis4.)