A194783
Number of lower triangles of a (2n+3)X(2n+3) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.
Original entry on oeis.org
23, 219, 1641, 11686, 84727, 639325, 5044981, 41614291, 358184223, 3210665949, 29914282858, 289187619416
Offset: 1
Some solutions for n=2 containing a 2
..0..............0..............0..............0..............0
..1.1............1.1............1.1............0.0............1.1
..1.1.2..........1.1.1..........1.1.1..........0.0.0..........1.1.1
..1.1.2.2........1.1.1.1........1.1.1.1........0.0.0.0........2.2.2.2
..1.1.2.2.2......1.1.1.1.1......1.1.1.1.1......0.0.0.0.1......2.2.2.2.1
..1.1.2.2.2.2....2.2.2.2.2.2....2.2.2.2.2.2....0.0.0.0.1.1....2.2.2.2.1.1
..1.1.2.2.2.2.2..2.2.2.2.2.2.2..2.2.2.2.2.2.1..0.0.0.0.1.1.2..2.2.2.2.1.1.0
A194784
Number of lower triangles of a (2n+4)X(2n+4) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.
Original entry on oeis.org
43, 493, 4069, 30608, 229869, 1782111, 14399939, 121414559, 1066897441, 9753094999, 92586232382, 911156698994
Offset: 1
Some solutions for n=2 containing a 2
..0................0................0................0
..1.1..............0.0..............1.1..............0.0
..1.1.1............0.0.0............1.1.1............0.0.0
..1.1.1.1..........1.1.1.1..........2.2.2.2..........1.1.1.1
..1.1.1.1.1........1.1.1.1.1........2.2.2.2.0........1.1.1.1.0
..1.1.1.1.1.1......2.2.2.2.2.2......2.2.2.2.0.0......1.1.1.1.0.0
..1.1.1.1.1.1.1....2.2.2.2.2.2.2....2.2.2.2.0.0.0....1.1.1.1.0.0.2
..1.1.1.1.1.1.1.2..2.2.2.2.2.2.2.2..2.2.2.2.0.0.0.2..1.1.1.1.0.0.2.2
A194785
Number of lower triangles of a (2n+5)X(2n+5) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.
Original entry on oeis.org
79, 1101, 10121, 80961, 631373, 5029741, 41587186, 358138793, 3210593393, 29914171526, 289187454251
Offset: 1
Some solutions for n=2 containing a 2
..0..................0..................0..................0
..0.0................1.1................0.0................0.0
..0.0.0..............1.1.1..............1.1.1..............1.1.1
..1.1.1.1............1.1.1.1............1.1.1.2............1.1.1.1
..1.1.1.1.1..........1.1.1.1.0..........1.1.1.2.2..........2.2.2.2.2
..1.1.1.1.1.0........1.1.1.1.0.0........1.1.1.2.2.2........2.2.2.2.2.2
..1.1.1.1.1.0.0......1.1.1.1.0.0.2......1.1.1.2.2.2.2......1.1.1.1.1.1.1
..1.1.1.1.1.0.0.0....1.1.1.1.0.0.2.2....1.1.1.2.2.2.2.1....1.1.1.1.1.1.1.1
..1.1.1.1.1.0.0.0.2..1.1.1.1.0.0.2.2.0..1.1.1.2.2.2.2.1.1..2.2.2.2.2.2.2.2.2
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