A219136 -id:A219136 - cp's OEIS frontend

A219310 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 nXk array.

1, 2, 2, 4, 6, 4, 7, 18, 18, 7, 12, 51, 90, 51, 12, 21, 142, 423, 423, 142, 21, 37, 405, 1958, 3334, 1958, 405, 37, 65, 1157, 9233, 25647, 25647, 9233, 1157, 65, 114, 3289, 43725, 200376, 326444, 200376, 43725, 3289, 114, 200, 9344, 206269, 1574278, 4215579

Offset: 1

R. H. Hardin Nov 17 2012

Table starts
...1......2.........4...........7............12.............21.............37
...2......6........18..........51...........142............405...........1157
...4.....18........90.........423..........1958...........9233..........43725
...7.....51.......423........3334.........25647.........200376........1574278
..12....142......1958.......25647........326444........4215579.......54797587
..21....405......9233......200376.......4215579.......89981627.....1935133104
..37...1157.....43725.....1574278......54797587.....1935133104....68906619754
..65...3289....206269....12334824.....710493819....41520773667..2448261182674
.114...9344....971794....96480571....9194088812...888957906061.86782430779997
.200..26580...4583164...755212375..119051026450.19043081452793
.351..75621..21622807..5914093280.1542298398563
.616.215076.101988408.46306103745

			Some solutions for n=3 k=4
..1..0..0..0....1..0..1..1....0..0..0..0....0..0..0..0....1..0..0..1
..0..0..0..1....0..0..0..1....0..0..1..0....1..0..0..0....0..0..0..0
..1..0..0..0....0..0..1..1....1..0..0..0....1..1..1..1....0..1..0..0

R. H. Hardin, Table of n, a(n) for n = 1..126

Column 1 is A005251(n+2)

Column 2 is A219136

cp's OEIS Frontend

A219310 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 nXk array.

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