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Revision History for A209839 (Underlined text is an addition; strikethrough text is a deletion.)

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A209839 Integers n such that for all i > n the largest prime factor of product(i+k, {k,0,15}) exceeds the largest prime factor of product(n+k, {k,0,15}).
(history; published version)
#7 by Russ Cox at Sat Mar 31 10:30:50 EDT 2012
AUTHOR

_Andrey V. Kulsha (andrey_601(AT)tut.by), _, Mar 14 2012

Discussion
Sat Mar 31 10:30
OEIS Server: https://oeis.org/edit/global/668
#6 by T. D. Noe at Wed Mar 14 13:17:04 EDT 2012
STATUS

editing

approved

#5 by T. D. Noe at Wed Mar 14 13:16:54 EDT 2012
NAME

Integers mn such that for all i > mn the largest prime factor of Product[product(i+k, {k,0,15}] }) exceeds the largest prime factor of Product[mproduct(n+k, {k,0,15}].}).

STATUS

proposed

editing

#4 by Andrey V. Kulsha at Wed Mar 14 05:33:42 EDT 2012
STATUS

editing

proposed

#3 by Andrey V. Kulsha at Wed Mar 14 05:33:25 EDT 2012
LINKS

Andrey V. Kulsha, <a href="/A209839/b209839.txt">Table of n, a(n) for n = 1..80</a>

#2 by Andrey V. Kulsha at Wed Mar 14 05:25:00 EDT 2012
NAME

allocatedIntegers m such that for all i > m the largest prime factor of Product[i+k, {k,0,15}] exceeds the largest prime factor Andreyof V. KulshaProduct[m+k, {k,0,15}].

DATA

1, 3, 7, 13, 15, 21, 25, 27, 31, 37, 43, 45, 51, 55, 57, 63, 67, 73, 81, 85, 87, 91, 93, 97, 111, 115, 121, 123, 133, 135, 141, 147, 151, 157, 163, 165, 175, 177, 181, 183, 195, 207, 211, 213, 217, 223, 225, 235, 241, 247, 253, 1330, 1383, 4179, 4180, 4181, 5243, 12985, 48506, 87161, 211750

OFFSET

1,2

COMMENTS

Heuristics show that these terms are valid, but a strict proof is yet to be done.

CROSSREFS

Cf. A209838.

KEYWORD

allocated

nonn

AUTHOR

Andrey V. Kulsha (andrey_601(AT)tut.by), Mar 14 2012

STATUS

approved

editing

#1 by Andrey V. Kulsha at Wed Mar 14 04:43:12 EDT 2012
NAME

allocated for Andrey V. Kulsha

KEYWORD

allocated

STATUS

approved

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Last modified August 29 22:07 EDT 2024. Contains 375518 sequences. (Running on oeis4.)