A238308 Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

12372, 227622, 4124382, 73547936, 1325192097, 23867403810, 431525615512, 7754964008116, 140102741116287, 2519445217835664, 45526526723208179, 818530641216657186, 14790136479124024049, 265931224012975513088

Offset

1,1

Comments

Column 3 of A238311

Links

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

Example

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

Crossrefs

Sequence in context: A234919 A183693 A096618 * A179916 A236426 A235841

Adjacent sequences: A238305 A238306 A238307 * A238309 A238310 A238311

Keyword

nonn

Author

R. H. Hardin, Feb 24 2014

Status

approved