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editing
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allocated for R. H. Hardin
Number of (n+6)X7 0..2 matrices with each 7X7 subblock idempotent
145121216, 10906923, 6162817, 4750292, 4617228, 4971859, 5047936, 5029695, 5708639, 7589727, 11387955, 17128394, 24395022, 33632312, 44378240, 56580772, 72151138, 94546333, 128344682, 179174727, 253082925
1,1
Column 1 of A224642
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
allocated
nonn
R. H. Hardin Apr 13 2013
approved
editing
allocated for R. H. Hardin
allocated
approved