The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A061782 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A061782

a(n) = smallest positive number m such that m*n is a triangular number.
(history; published version)

#18 by Michel Marcus at Fri Jul 19 03:14:10 EDT 2024

STATUS

reviewed

approved

#17 by Joerg Arndt at Fri Jul 19 01:49:39 EDT 2024

STATUS

proposed

reviewed

#16 by Jason Yuen at Thu Jul 18 20:33:07 EDT 2024

STATUS

editing

proposed

#15 by Jason Yuen at Thu Jul 18 20:33:04 EDT 2024

MAPLE

A016782 A061782 := proc(n)

seq(A016782A061782(n), n=1..40) ; # R. J. Mathar, Oct 03 2014

STATUS

approved

editing

#14 by OEIS Server at Thu Jun 03 14:33:00 EDT 2021

LINKS

Alois P. Heinz, <a href="/A061782/b061782_1.txt">Table of n, a(n) for n = 1..20000</a> (first 1000 terms from Harvey P. Dale)

#13 by Alois P. Heinz at Thu Jun 03 14:33:00 EDT 2021

STATUS

editing

approved

Discussion

Thu Jun 03

14:33

OEIS Server: Installed new b-file as b061782.txt.  Old b-file is now b061782_1.txt.

#12 by Alois P. Heinz at Thu Jun 03 14:32:54 EDT 2021

LINKS

Harvey Alois P. Dale, Heinz, <a href="/A061782/b061782_1.txt">Table of n, a(n) for n = 1..20000</a> (first 1000</a> terms from Harvey P. Dale)

STATUS

approved

editing

#11 by N. J. A. Sloane at Tue Jun 01 13:40:18 EDT 2021

STATUS

editing

approved

#10 by N. J. A. Sloane at Tue Jun 01 13:40:15 EDT 2021

NAME

Smallest a(n) = smallest positive number m such that nm*a(n) is a triangular number.

CROSSREFS

Cf. A000217, A011772.

STATUS

approved

editing

#9 by Harvey P. Dale at Wed Feb 15 09:13:19 EST 2017

STATUS

editing

approved