The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A256028 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A256028

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1
(history; published version)

#4 by R. H. Hardin at Fri Mar 13 13:55:24 EDT 2015

STATUS

editing

approved

#3 by R. H. Hardin at Fri Mar 13 13:55:14 EDT 2015

LINKS

R. H. Hardin, <a href="/A256028/b256028.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Fri Mar 13 13:54:57 EDT 2015

NAME

allocated for R. H. Hardin

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1

DATA

4086, 27424, 223901, 1736085, 13744343, 111505109, 904174706, 7347151637, 59890010020, 487874115891, 3973213543601, 32378167050225, 263909697253124, 2150815427720611, 17528000535815815, 142850512088398850

OFFSET

1,1

COMMENTS

Column 7 of A256029

EXAMPLE

Some solutions for n=2

..1..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1..1

..0..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..0..1

..1..1..1..1..1..1..1..1..0....0..1..1..1..1..0..1..1..1

..1..1..1..1..1..1..1..0..1....0..1..1..0..1..1..1..1..1

CROSSREFS

Cf. A256029

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Mar 13 2015

STATUS

approved

editing

#1 by R. H. Hardin at Fri Mar 13 13:43:49 EDT 2015

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved