A233817 Number of (n+1)X(7+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11

667200, 8669484, 100402408, 1586833704, 20442834720, 376273555864, 5136685499560, 109861005202268, 1552605841631744, 38143729537606948, 548802964953591032, 15068815959103418508, 218410350957390297296

Offset

1,1

Comments

Column 7 of A233818

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

Some solutions for n=1
..1..2..3..5..5..5..3..2....2..0..2..1..2..3..5..5....0..1..1..2..3..2..3..2
..0..2..4..3..4..3..4..4....0..1..2..0..2..4..3..4....0..2..3..1..3..1..1..1

Crossrefs

Sequence in context: A270801 A348832 A162840 * A204887 A251503 A084977

Adjacent sequences: A233814 A233815 A233816 * A233818 A233819 A233820

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved