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A233679 Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 6 1
8712, 117744, 1500800, 25036784, 365293440, 6336415296, 95799636288, 1660462199232, 25500227965248, 438642994287168, 6806097080023872, 116152846851935808, 1816799517745700160, 30788724031193453120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A233682

LINKS

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

R. H. Hardin, Empirical recurrence of order 99

FORMULA

Empirical recurrence of order 99 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A035909 A031877 A222815 * A266578 A031852 A115614

Adjacent sequences:  A233676 A233677 A233678 * A233680 A233681 A233682

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified October 15 21:38 EDT 2021. Contains 348034 sequences. (Running on oeis4.)