A233975 Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13

1308, 8688, 59440, 453988, 3530540, 29109544, 242057156, 2076801776, 17846457644, 156102689488, 1362078980924, 12021030945444, 105617021379536, 935901861178016, 8248332405909040, 73223590427438656, 646231370548255396

Offset

1,1

Comments

Column 2 of A233980

Links

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

R. H. Hardin, Empirical recurrence of order 62

Formula

Empirical recurrence of order 62 (see link above)

Example

Some solutions for n=3
..6..3..0....2..1..0....5..1..5....3..2..4....1..1..5....1..4..3....3..4..2
..2..4..2....0..4..0....3..2..3....2..6..3....5..2..1....2..0..4....2..6..5
..3..6..3....4..3..2....1..5..1....3..2..4....1..1..5....1..4..3....3..2..6
..2..2..4....1..5..1....1..2..3....5..1..0....5..2..3....2..0..2....1..5..6

Crossrefs

Sequence in context: A106815 A325605 A281211 * A209853 A165936 A242606

Adjacent sequences: A233972 A233973 A233974 * A233976 A233977 A233978

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved