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A278185 Number of nX4 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 2
0, 136, 13012, 1075258, 91270219, 7737459027, 656008970388, 55620335387114, 4715820197535009, 399835065589298715, 33900377809514573711, 2874274212652455298123, 243697940183994435905588 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A278188.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A278188.

Sequence in context: A248452 A035819 A233086 * A225832 A233172 A233127

Adjacent sequences:  A278182 A278183 A278184 * A278186 A278187 A278188

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 14 2016

STATUS

approved

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Last modified September 19 12:35 EDT 2020. Contains 337178 sequences. (Running on oeis4.)