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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; 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

Eric Weisstein's World of Mathematics, Collatz problem

CROSSREFS

Cf. A057446, A057216, A057522, A057534.

Sequence in context: A025958 A199674 A022741 * A041548 A025931 A115234

Adjacent sequences:  A057611 A057612 A057613 * A057615 A057616 A057617

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 03:22 EST 2012. Contains 205694 sequences.