[go: up one dir, main page]

login
Revision History for A325204 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

Showing entries 1-10 | older changes
Numbers k such that k*(k+1)*(k+2) has exactly 4 distinct prime factors.
(history; published version)
#39 by Michael De Vlieger at Sun Nov 05 22:05:17 EST 2023
STATUS

reviewed

approved

#38 by Andrew Howroyd at Sun Nov 05 21:28:06 EST 2023
STATUS

proposed

reviewed

#37 by Jon E. Schoenfield at Sun Nov 05 21:06:45 EST 2023
STATUS

editing

proposed

#36 by Jon E. Schoenfield at Sun Nov 05 21:06:30 EST 2023
COMMENTS

Contains all members terms of A325255 except 2 and 4.

LINKS

Ray Chandler, <a href="/A325204/b325204.txt">Table of n, a(n) for n = 1..178</a> (terms < 10^1000, ; first 114 terms from Robert Israel)

Ray Chandler, <a href="/A325204/a325204.txt">Mathematica code used to compute b-file.</a>.

Math StackExchange, <a href="https://math.stackexchange.com/questions/3345481/three-consecutive-numbers-with-exactly-different-four-prime-factors#comment6886521_3345481">Three consecutive numbers with exactly different four prime factors</a>.

STATUS

approved

editing

#35 by Ray Chandler at Sun Sep 15 17:17:05 EDT 2019
STATUS

editing

approved

#34 by Ray Chandler at Sun Sep 15 17:17:02 EDT 2019
COMMENTS

Contains 2^p-1 for p in A107360 except 3.

STATUS

approved

editing

#33 by Ray Chandler at Sat Sep 14 14:27:21 EDT 2019
STATUS

editing

approved

#32 by Ray Chandler at Sat Sep 14 14:27:08 EDT 2019
LINKS

Math StackExchange, <a href="https://math.stackexchange.com/questions/3345481/three-consecutive-numbers-with-exactly-different-four-prime-factors#comment6886521_3345481">Three consecutive numbers with exactly different four prime factors</a>

Math StackExchange, <a href="https://math.stackexchange.com/questions/3345481/three-consecutive-numbers-with-exactly-different-four-prime-factors#comment6886521_3345481">Three consecutive numbers with exactly different four prime factors</a>

#31 by Ray Chandler at Sat Sep 14 14:25:51 EDT 2019
LINKS

Ray Chandler, <a href="/A325204/a325204.txt">Mathematica code used to compute b-file.</a>

STATUS

approved

editing

#30 by OEIS Server at Sat Sep 14 13:50:08 EDT 2019
LINKS

Ray Chandler, <a href="/A325204/b325204_1.txt">Table of n, a(n) for n = 1..178</a> (terms < 10^1000, first 114 terms from Robert Israel)