A237312 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal

42474, 1218584, 33313192, 1008893682, 29705879570, 921202878454, 28008850432408, 882133454021878, 27361616605419182, 871635510499776082, 27423157460745254676, 881046370624211609338, 28012795022432295928802

Offset

1,1

Comments

Column 4 of A237315

Links

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

Example

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

Crossrefs

Sequence in context: A103155 A271749 A031670 * A217164 A062694 A210264

Adjacent sequences: A237309 A237310 A237311 * A237313 A237314 A237315

Keyword

nonn

Author

R. H. Hardin, Feb 06 2014

Status

approved