The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A258609 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A258609

Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum
(history; published version)

#4 by R. H. Hardin at Fri Jun 05 10:08:50 EDT 2015

STATUS

editing

approved

#3 by R. H. Hardin at Fri Jun 05 10:08:46 EDT 2015

LINKS

R. H. Hardin, <a href="/A258609/b258609.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Fri Jun 05 10:08:32 EDT 2015

NAME

allocated for R. H. Hardin

Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum

DATA

46060932, 90782784, 65662350, 42003361, 49848864, 80442961, 140873790, 244766025, 423931910, 720707716, 1218994536, 2017986084, 3322104840, 5349167044, 8565371976, 13422381025, 20921322092, 31951562500, 48551199120

OFFSET

1,1

COMMENTS

Column 5 of A258612

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A258612

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jun 05 2015

STATUS

approved

editing

#1 by R. H. Hardin at Fri Jun 05 10:03:14 EDT 2015

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved