A234213 Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11

5344, 38424, 257116, 2047712, 14743812, 128575264, 972664988, 9139171016, 71474160448, 709190594872, 5662773767964, 58270172020312, 471035924576320, 4959748822197500, 40377695201267784, 431210014799887324

Offset

1,1

Comments

Column 4 of A234217

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A031751 A023342 A050814 * A187435 A023939 A204863

Adjacent sequences: A234210 A234211 A234212 * A234214 A234215 A234216

Keyword

nonn

Author

R. H. Hardin, Dec 21 2013

Status

approved