A224969 Number of (n+1)X3 0..3 matrices with each 2X2 permanent equal.

912, 11196, 110253, 1777586, 26732072, 435788333, 6995454550, 113660299418, 1841286621939, 29886022842578, 484824378387720, 7867531917317145, 127659230961346958, 2071519909834937922, 33613909177507010389

Offset

1,1

Comments

Column 2 of A224975

Links

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

R. H. Hardin, Empirical recurrence of order 80

Formula

Empirical recurrence of order 80 (see link above)

Example

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

Crossrefs

Sequence in context: A093634 A220984 A237084 * A263122 A286214 A189182

Adjacent sequences: A224966 A224967 A224968 * A224970 A224971 A224972

Keyword

nonn

Author

R. H. Hardin, Apr 21 2013

Status

approved