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A203262 T(n,k)=Number of nXk 0..7 arrays with every nonzero element less than or equal to some NW, E or S neighbor 8
1, 1, 1, 1, 64, 1, 1, 2598, 2598, 1, 1, 62098, 716430, 62098, 1, 1, 1224456, 107936298, 107936298, 1224456, 1, 1, 24301646, 13994382224, 93604950539, 13994382224, 24301646, 1, 1, 508333573, 1956615126953, 71719101346406, 71719101346406 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Table starts

.1...........1.................1.......................1

.1..........64..............2598...................62098

.1........2598............716430...............107936298

.1.......62098.........107936298.............93604950539

.1.....1224456.......13994382224..........71719101346406

.1....24301646.....1956615126953.......60474221730991631

.1...508333573...288459211010972....52958564655658086303

.1.10796311201.42000627679688066.45410792047891744041176

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=4 k=3

..4..3..1....6..0..2....6..1..1....4..1..2....2..5..5....6..2..2....4..6..7

..5..5..5....6..3..2....6..5..1....4..5..5....4..0..5....6..0..2....1..1..7

..0..4..5....6..1..3....6..2..5....2..1..5....5..5..0....6..6..0....5..7..7

..3..3..4....6..6..0....6..6..0....2..2..0....0..5..3....1..1..5....3..5..7

CROSSREFS

Sequence in context: A247067 A221761 A085339 * A174927 A303329 A301911

Adjacent sequences:  A203259 A203260 A203261 * A203263 A203264 A203265

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Dec 30 2011

STATUS

approved

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Last modified September 25 16:45 EDT 2020. Contains 337344 sequences. (Running on oeis4.)