A222615 - OEIS

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A222615

Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order

17, 615, 11421, 1409334, 43650470, 5996281816, 253864183756, 50378849363475, 2844661497709464, 693856544236239459, 43788284924757109026, 11378443951727769866855

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

OFFSET

1,1

COMMENTS

Column 7 of A222616

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=3

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

..0..3..2..2..2..2..2....0..3..2..2..2..2..2....0..1..1..1..1..1..1

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