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A235022 Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant stress tilted 1X1 tilings) 1
4704, 15572, 51220, 170568, 569352, 1912444, 6442252, 21811720, 74044552, 252514496, 863227916, 2963538436, 10196465900, 35222100660, 121914919708, 423563796488, 1474316189604, 5149747271896, 18019152344164, 63258132957568 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A235026

LINKS

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

EXAMPLE

Some solutions for n=4

..3..4..3..4..2....0..1..3..1..0....1..0..4..0..1....1..0..4..5..1

..4..2..4..2..3....1..5..4..5..1....5..1..2..1..5....0..2..3..1..0

..5..0..5..0..4....0..1..3..1..0....4..3..1..3..4....2..1..5..0..2

..3..1..3..1..2....5..3..2..3..5....2..4..5..4..2....1..3..4..2..1

..1..2..1..2..0....1..2..4..2..1....4..3..1..3..4....0..5..3..4..0

CROSSREFS

Sequence in context: A114568 A251135 A237699 * A223246 A330836 A107544

Adjacent sequences:  A235019 A235020 A235021 * A235023 A235024 A235025

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified January 25 19:00 EST 2022. Contains 350572 sequences. (Running on oeis4.)