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Search: id:A074348
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A074348 Smallest number requiring n steps to reach 0 or -1 when iterating the function: f(n)=lcd(n)-Lpf(n), where lcd(n) is the largest common difference between consecutive divisors of n (ordered by size) and Lpf(n) is the largest prime factor of n. +0
1
1, 8, 24, 45, 75, 160, 273, 429, 741, 1001, 1183, 1547, 2645, 3553, 4301, 5423, 10880, 23465, 33371, 39109, 49075, 74011, 98933, 104371, 107911, 163489 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A075661.

Sequence in context: A050427 A031046 A051062 this_sequence A063403 A122812 A022763

Adjacent sequences: A074345 A074346 A074347 this_sequence A074349 A074350 A074351

KEYWORD

more,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Sep 23 2002

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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