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A224637 Number of (n+6)X(n+6) 0..2 matrices with each 7X7 subblock idempotent 0
145121216, 1268962, 1800748, 2157776, 2323256, 2397590, 2432656, 2451680, 3552688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A224642

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

CROSSREFS

Sequence in context: A207798 A204806 A186174 * A224638 A224642 A185855

Adjacent sequences:  A224634 A224635 A224636 * A224638 A224639 A224640

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 13 2013

STATUS

approved

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)