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A224638 Number of (n+6)X7 0..2 matrices with each 7X7 subblock idempotent 0
145121216, 10906923, 6162817, 4750292, 4617228, 4971859, 5047936, 5029695, 5708639, 7589727, 11387955, 17128394, 24395022, 33632312, 44378240, 56580772, 72151138, 94546333, 128344682, 179174727, 253082925 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A224642

LINKS

Table of n, a(n) for n=1..21.

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A204806 A186174 A224637 * A224642 A185855 A335399

Adjacent sequences:  A224635 A224636 A224637 * A224639 A224640 A224641

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 13 2013

STATUS

approved

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Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)