A237003 Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal

26320, 762724, 22056220, 880923796, 33233608132, 1329345087772, 52079122983140, 2070941611511776, 81772162000490880, 3243881107548188412, 128365789131232332144, 5087721950848658181076, 201470461451253606169116

Offset

1,1

Comments

Column 4 of A237007

Links

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

Example

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

Crossrefs

Sequence in context: A004046 A031652 A236787 * A107119 A292701 A275417

Adjacent sequences: A237000 A237001 A237002 * A237004 A237005 A237006

Keyword

nonn

Author

R. H. Hardin, Feb 02 2014

Status

approved