A241401 - OEIS

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A241401

Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

10, 64, 340, 2780, 15339, 129985, 667050, 2949778, 18902401, 91648139, 516486984, 3075569596, 15073466440, 85957361897, 473425616837, 2340472941060, 13328226383734, 73626242006464, 386042800402280, 2155794635092538

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row 5 of A241397

LINKS

Table of n, a(n) for n=1..20.

EXAMPLE

Some solutions for n=3

..2..3..3....3..2..2....2..3..3....3..2..2....3..2..2....3..2..2....3..2..2

..2..1..2....1..2..0....2..3..2....1..2..0....2..1..0....1..2..0....1..2..0

..2..0..0....2..3..0....2..0..0....3..0..2....1..3..2....3..2..0....2..3..0

..2..3..3....2..3..2....2..0..3....3..2..2....1..0..0....1..0..0....1..3..2

..2..3..3....2..0..3....2..1..0....2..0..0....1..2..2....3..2..0....3..2..0

CROSSREFS

Sequence in context: A055855 A061183 A367591 * A219934 A155618 A249978

Adjacent sequences: A241398 A241399 A241400 * A241402 A241403 A241404

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 20 2014

STATUS

approved