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A234203 Number of (n+1)X(3+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15 1
1792, 6644, 24480, 104276, 429552, 1961124, 8457288, 40227192, 177596408, 869944940, 3897050760, 19544785456, 88459585904, 452452111416, 2063740385320, 10730294765068, 49237798358136, 259502500277884, 1196340040955336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234208

LINKS

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

EXAMPLE

Some solutions for n=4

..1..4..5..4....4..4..1..0....0..4..0..5....0..1..4..1....4..1..5..4

..0..4..0..4....0..5..1..5....4..1..4..4....5..1..5..1....0..4..1..1

..1..4..1..4....4..4..1..4....0..4..0..5....4..1..0..1....4..1..5..0

..5..1..5..1....0..5..1..5....5..4..5..5....1..5..1..5....4..0..1..1

..0..1..4..1....0..0..1..4....1..1..1..2....1..0..1..0....4..1..5..4

CROSSREFS

Sequence in context: A207316 A206699 A249191 * A220058 A235898 A035891

Adjacent sequences:  A234200 A234201 A234202 * A234204 A234205 A234206

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 21 2013

STATUS

approved

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Last modified May 24 03:05 EDT 2022. Contains 354005 sequences. (Running on oeis4.)