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A226848 Number of nX4 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X5 binary array 1
57, 2291, 49481, 989731, 20749217, 443724135, 9461306257, 201065855279, 4271553412923, 90781653057341, 1929581833121135, 41012559102622377, 871687516326898341, 18526964254094263855, 393775712485514542969 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A226852

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..74

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A270502 A285238 A011812 * A022231 A239823 A012058

Adjacent sequences:  A226845 A226846 A226847 * A226849 A226850 A226851

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 19 2013

STATUS

approved

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Last modified September 23 12:44 EDT 2020. Contains 337310 sequences. (Running on oeis4.)