The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A365708 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A365708

a(n) for n >= 2 is the smallest term of A008578 m dividing n such that n/m is not a square, a(1) = 2.
(history; published version)

#24 by Joerg Arndt at Mon Jan 01 11:55:17 EST 2024

STATUS

proposed

approved

#23 by Andrew Howroyd at Mon Jan 01 11:49:22 EST 2024

STATUS

editing

proposed

#22 by Andrew Howroyd at Sun Dec 31 12:56:34 EST 2023

KEYWORD

nonn,more

nonn

STATUS

approved

editing

#21 by OEIS Server at Mon Sep 18 02:07:11 EDT 2023

LINKS

Michael De Vlieger, <a href="/A365708/b365708_1.txt">Table of n, a(n) for n = 1..10000</a>

#20 by Peter Luschny at Mon Sep 18 02:07:11 EDT 2023

STATUS

reviewed

approved

Discussion

Mon Sep 18

02:07

OEIS Server: Installed first b-file as b365708.txt.

#19 by Michel Marcus at Mon Sep 18 00:47:52 EDT 2023

STATUS

proposed

reviewed

#18 by Michael De Vlieger at Sun Sep 17 10:04:52 EDT 2023

STATUS

editing

proposed

#17 by Michael De Vlieger at Sun Sep 17 10:04:49 EDT 2023

LINKS

Michael De Vlieger, <a href="/A365708/b365708_1.txt">Table of n, a(n) for n = 1..10000</a>

MATHEMATICA

{2}~Join~Table[SelectFirst[Divisors[n], ! IntegerQ@ Sqrt[n/#] &], {n, 2, 120}] (* Michael De Vlieger, Sep 17 2023 *)

STATUS

approved

editing

#16 by Michael De Vlieger at Sun Sep 17 10:03:23 EDT 2023

STATUS

reviewed

approved

#15 by Joerg Arndt at Sun Sep 17 09:03:24 EDT 2023

STATUS

proposed

reviewed