The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A232775

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing
(history; published version)

#5 by R. H. Hardin at Sat Nov 30 06:29:56 EST 2013

STATUS

editing

approved

#4 by R. H. Hardin at Sat Nov 30 06:29:44 EST 2013

LINKS

R. H. Hardin, <a href="/A232775/b232775.txt">Table of n, a(n) for n = 1..34</a>

#3 by R. H. Hardin at Sat Nov 30 06:29:17 EST 2013

NAME

allocated for R. H. Hardin

Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

DATA

30, 118, 387, 1175, 3294, 8679, 21991, 53823, 127874, 298046, 682459, 1538297, 3431277, 7577602, 16580065, 36051756, 77908855, 167365984, 358088629, 762995256, 1619108191, 3426195330, 7228924583, 15206904198, 31924025361

OFFSET

1,1

COMMENTS

Column 1 of A232778

EXAMPLE

Some solutions for n=5

..0..0....0..2....2..0....0..1....0..1....0..0....1..0....1..0....0..0....0..1

..1..1....1..2....2..0....0..1....2..0....0..0....0..1....1..0....0..0....2..0

..2..1....1..2....0..2....2..0....0..1....0..2....2..0....1..1....0..1....0..1

..0..2....1..2....0..2....0..1....2..1....0..2....1..1....1..2....0..1....1..1

..2..1....1..2....0..2....0..1....1..2....2..1....1..2....1..2....0..2....1..1

..0..2....2..2....2..1....1..2....2..2....1..2....1..2....1..2....2..2....2..2

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Nov 30 2013

STATUS

approved

editing

#2 by R. H. Hardin at Sat Nov 30 06:28:10 EST 2013

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Sat Nov 30 06:28:10 EST 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved