A223892 -id:A223892 - cp's OEIS frontend

A223890 Number of n X 3 0..2 arrays with row sums and column sums unimodal.

22, 564, 11264, 187103, 2719602, 35688774, 432076735, 4902528769, 52736915601, 542569977315, 5375623914286, 51570049073953, 481136370463155, 4381314203869479, 39057034725462456, 341691760691655645

Offset: 1

R. H. Hardin Mar 28 2013

nonn

Column 3 of A223892.

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

R. H. Hardin, Table of n, a(n) for n = 1..51

Cf. A223892.

A223891 Number of nX4 0..2 arrays with row sums and column sums unimodal.

Original entry on oeis.org

46, 3298, 187103, 8878492, 367772497, 13710418065, 469842794992, 15032271992980, 454296896353698, 13086457136814204, 361878926424024255, 9661547783502821964, 250204578633128649051, 6309270603849297385833

Offset: 1

R. H. Hardin Mar 28 2013

nonn

Column 4 of A223892

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

R. H. Hardin, Table of n, a(n) for n = 1..15

cp's OEIS Frontend

A223890 Number of n X 3 0..2 arrays with row sums and column sums unimodal.

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