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A224970 Number of (n+1)X4 0..3 matrices with each 2X2 permanent equal 1
3067, 110253, 1417535, 49673755, 946613919, 27297398415, 603337019865, 15860938451645, 372644358301661, 9417695286715489, 227009613149696909, 5642600777843854363, 137487699278896205027, 3393605739680529203023 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A224975

LINKS

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

EXAMPLE

Some solutions for n=2

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

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

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

CROSSREFS

Sequence in context: A005944 A274410 A274411 * A224116 A183726 A137485

Adjacent sequences:  A224967 A224968 A224969 * A224971 A224972 A224973

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 21 2013

STATUS

approved

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Last modified October 18 05:31 EDT 2019. Contains 328146 sequences. (Running on oeis4.)