A218842 - OEIS

A218842

T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 nXk array

1, 2, 1, 4, 7, 1, 7, 20, 21, 1, 12, 57, 93, 65, 1, 21, 156, 453, 436, 200, 1, 37, 438, 2050, 3617, 2043, 616, 1, 65, 1220, 9516, 26635, 28888, 9573, 1897, 1, 114, 3398, 44129, 201960, 346501, 230726, 44857, 5842, 1, 200, 9468, 204780, 1530846, 4299802

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Table starts

.1......2.........4...........7.............12...............21

.1......7........20..........57............156..............438

.1.....21........93.........453...........2050.............9516

.1.....65.......436........3617..........26635...........201960

.1....200......2043.......28888.........346501..........4299802

.1....616......9573......230726........4507281.........91513161

.1...1897.....44857.....1842766.......58634265.......1948262831

.1...5842....210190....14717828......762745363......41475009100

.1..17991....984904...117548611.....9922198586.....882920599454

.1..55405...4615043...938839259...129073371922...18795714385533

.1.170625..21625074..7498337380..1679056577224..400125250527550

.1.525456.101330329.59887849061.21842080049186.8517908622924528

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..160

EXAMPLE

Some solutions for n=3 k=4

..0..0..1..0....0..0..1..1....1..0..0..0....1..1..0..0....0..0..1..0

..0..0..0..1....0..0..0..0....0..0..1..0....1..0..0..0....1..0..0..0

..0..0..0..1....0..0..0..1....1..0..0..1....0..1..0..0....1..0..0..0

CROSSREFS

Row 1 is A005251(n+2)

Sequence in context: A187115 A121722 A193591 * A219421 A297314 A220386

Adjacent sequences: A218839 A218840 A218841 * A218843 A218844 A218845

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Nov 07 2012

STATUS

approved