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A233712 Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14 1
1992, 16004, 136960, 1291820, 12203480, 117736088, 1132387344, 10952782784, 105752474712, 1022915229556, 9886172796368, 95612706711092, 924330584621384, 8938735196752324, 86423147934249600, 835715879283995312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A233717

LINKS

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

R. H. Hardin, Empirical recurrence of order 75

FORMULA

Empirical recurrence of order 75 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A034228 A028516 A206363 * A223366 A034588 A233935

Adjacent sequences:  A233709 A233710 A233711 * A233713 A233714 A233715

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2013

STATUS

approved

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Last modified August 17 16:51 EDT 2019. Contains 326059 sequences. (Running on oeis4.)