The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A038207

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A038207

Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j).
(history; published version)

#280 by Peter Luschny at Sat Jan 04 07:38:20 EST 2025

STATUS

reviewed

#279 by Joerg Arndt at Sat Jan 04 02:43:43 EST 2025

STATUS

proposed

#278 by Michel Marcus at Fri Jan 03 23:33:46 EST 2025

STATUS

editing

#277 by Michel Marcus at Fri Jan 03 23:33:42 EST 2025

LINKS

Katarzyna Kril and Wojciech Mlotkowski, <a href="https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i1p27">Permutations of Type B with Fixed Number of Descents and Minus Signs</a>, The Electronic Journal of Combinatorics, Vol. 26(1) (2019), Article P1.27.

STATUS

approved

#276 by Alois P. Heinz at Mon Apr 03 18:11:57 EDT 2023

STATUS

editing

#275 by Alois P. Heinz at Mon Apr 03 18:11:28 EDT 2023

CROSSREFS

STATUS

approved

#274 by Alois P. Heinz at Mon Apr 03 18:08:35 EDT 2023

STATUS

editing

#273 by Alois P. Heinz at Mon Apr 03 18:08:13 EDT 2023

DATA

1, 2, 1, 4, 4, 1, 8, 12, 6, 1, 16, 32, 24, 8, 1, 32, 80, 80, 40, 10, 1, 64, 192, 240, 160, 60, 12, 1, 128, 448, 672, 560, 280, 84, 14, 1, 256, 1024, 1792, 1792, 1120, 448, 112, 16, 1, 512, 2304, 4608, 5376, 4032, 2016, 672, 144, 18, 1, 1024, 5120, 11520, 15360, 13440

STATUS

approved

Discussion

Mon Apr 03

18:08

Alois P. Heinz: last row in display window full ...

#272 by Alois P. Heinz at Mon Apr 03 18:06:17 EDT 2023

STATUS

proposed

#271 by Michael De Vlieger at Mon Apr 03 18:04:26 EDT 2023

STATUS

editing