A205931 - OEIS

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A205931

Number of (n+1) X 5 0..3 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing rightwards and downwards.

319784, 61330824, 9355289120, 1235093642064, 148812223113936, 16821962566961468, 1815101219263424368, 189063838791570094396, 19160494324515331059260, 1900000815802284473378920

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

OFFSET

1,1

COMMENTS

Column 4 of A205935.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=4

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

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

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