A236006 Number of (n+1)X(4+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock

17464, 389520, 8623452, 199639388, 4771399876, 118118574840, 3024782577128, 79996751200984, 2178566815760276, 60872444688621924, 1738300532840898816, 50539524613860237520, 1490870446811399175936, 44489624599894762408316

Offset

1,1

Comments

Column 4 of A236009

Links

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

Example

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

Crossrefs

Sequence in context: A251465 A278004 A031640 * A190758 A034624 A043599

Adjacent sequences: A236003 A236004 A236005 * A236007 A236008 A236009

Keyword

nonn

Author

R. H. Hardin, Jan 18 2014

Status

approved