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A265932 Number of 4Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique. 1
625, 62696, 174000, 542940, 1546496, 4697060, 13716476, 42266448, 137268524, 432014132, 1349545464, 4231840236, 13782839880, 43359019136, 137060135072, 432317230340, 1404453869116, 4429418463040, 14067958304776, 44544242171944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A265928.

LINKS

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

EXAMPLE

Some solutions for n=3

..1..3..4....1..3..3....2..1..1....0..4..1....1..4..4....1..1..3....1..0..4

..0..0..1....4..0..2....3..3..0....2..1..4....3..1..1....4..3..1....3..1..1

..3..4..4....1..1..3....4..1..3....3..0..1....0..3..3....0..0..4....2..0..3

..2..2..3....4..4..1....1..4..2....2..1..4....2..0..4....2..2..3....4..3..1

CROSSREFS

Cf. A265928.

Sequence in context: A106321 A017332 A167039 * A017452 A223230 A017584

Adjacent sequences:  A265929 A265930 A265931 * A265933 A265934 A265935

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2015

STATUS

approved

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Last modified October 24 12:28 EDT 2021. Contains 348225 sequences. (Running on oeis4.)