The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A333856 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A333856

Irregular triangle read by rows: row n gives the members of the smallest nonnegative reduced residue system in the modified congruence modulo n by Brändli and Beyne, called mod* n.
(history; published version)

#16 by Michael De Vlieger at Tue Feb 27 07:36:44 EST 2024

STATUS

reviewed

approved

#15 by Peter Luschny at Tue Feb 27 06:25:17 EST 2024

STATUS

proposed

reviewed

#14 by Peter Munn at Tue Feb 27 04:22:24 EST 2024

STATUS

editing

proposed

#13 by Peter Munn at Tue Feb 27 02:11:03 EST 2024

CROSSREFS

Essentially the same as A182972.

STATUS

approved

editing

#12 by Michael De Vlieger at Sun Sep 17 10:01:49 EDT 2023

STATUS

reviewed

approved

#11 by Joerg Arndt at Sun Sep 17 09:03:32 EDT 2023

STATUS

proposed

reviewed

#10 by Michel Marcus at Sun Sep 17 07:03:59 EDT 2023

STATUS

editing

proposed

#9 by Michel Marcus at Sun Sep 17 06:47:30 EDT 2023

PROG

(PARI) RRS(n) = select(x->gcd(n, x)==1, [1..n]); \\ A038566

row(n) = if (n<=2, [n-1], my(r=RRS(n)); Vec(r, #r/2)); \\ Michel Marcus, Sep 17 2023

CROSSREFS

Cf. A023022, A038566 (RRS), A333857.

STATUS

approved

editing

#8 by N. J. A. Sloane at Wed Jul 01 21:58:49 EDT 2020

STATUS

proposed

approved

#7 by Wesley Ivan Hurt at Fri Jun 26 10:10:15 EDT 2020

STATUS

editing

proposed