A224641 - OEIS

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A224641

Number of (n+6)X10 0..2 matrices with each 7X7 subblock idempotent

4750292, 1642077, 1978918, 2157776, 2240464, 2277483, 2294940, 2304404, 2847472, 3747087, 4826296

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A224642

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=2

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

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

..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..2

..0..0..0..0..0..0..0..0..0..0....2..0..0..0..0..0..0..0..0..0

..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0

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

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

CROSSREFS

Sequence in context: A271142 A258132 A083641 * A323310 A017083 A017167

Adjacent sequences: A224638 A224639 A224640 * A224642 A224643 A224644

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 13 2013

STATUS

approved