A205626 - OEIS

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A205626

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order

14, 50, 72, 194, 306, 396, 770, 1512, 2052, 2160, 3074, 8004, 13068, 13800, 11808, 12290, 43248, 94116, 113592, 92934, 64512, 49154, 235464, 708300, 1103436, 992088, 625512, 352512, 196610, 1284960, 5439324, 11438856, 13072068, 8636544, 4211904

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

OFFSET

1,1

COMMENTS

Table starts

......14.......50.......194.........770.........3074..........12290

......72......306......1512........8004........43248.........235464

.....396.....2052.....13068.......94116.......708300........5439324

....2160....13800....113592.....1103436.....11438856......122380932

...11808....92934....992088....13072068....188139156.....2832970656

...64512...625512...8636544...153531936...3042034560....63787803360

..352512..4211904..75419136..1819019544..50032728864..1476599815224

.1926144.28351440.656729088.21373648800.809272164864.33256412762112

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..127

EXAMPLE

Some solutions for n=4 k=3

..0..1..1..2....0..0..0..0....0..0..0..0....0..1..1..2....0..0..0..0

..0..2..0..2....0..1..0..1....0..1..0..2....1..1..2..2....0..1..0..2

..2..2..2..1....2..1..0..1....2..1..0..1....2..0..0..0....0..1..0..2

..0..0..0..1....2..2..1..1....1..1..1..1....0..0..1..0....2..0..0..0

..0..1..0..0....1..0..0..2....1..1..1..1....1..2..2..0....2..1..1..1

CROSSREFS

Column 1 is A205328.

Row 1 is A205354.

Sequence in context: A246973 A156192 A205361 * A043378 A044116 A044497

Adjacent sequences: A205623 A205624 A205625 * A205627 A205628 A205629

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 29 2012

STATUS

approved