A233634 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6

12073496, 6552999568, 3530630987208, 2127910272105792, 1299207938978711788, 807381482186804765728, 503834532970292342872224, 315668050076034647825083096, 198001373547025265433700559818

Offset

1,1

Comments

Column 7 of A233635

Links

R. H. Hardin, Table of n, a(n) for n = 1..172

Example

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

Crossrefs

Sequence in context: A272021 A345718 A346359 * A022227 A206750 A178056

Adjacent sequences: A233631 A233632 A233633 * A233635 A233636 A233637

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved