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A234887 Number of (n+1) X (5+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). 1
9192, 40856, 163352, 884976, 4318800, 26272908, 138216800, 902409352, 4907082840, 33616093680, 185936954632, 1318067732684, 7361429326200, 53481533152552, 300446060684776, 2221662510752072, 12526677175945288 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=3:
3 5 1 5 1 4 0 1 0 2 1 2 5 1 5 4 5 2 1 4 1 5 1 3
0 3 0 3 0 2 2 4 2 5 3 5 3 0 3 1 3 1 0 2 0 3 0 1
2 4 2 4 2 5 0 3 0 2 1 4 5 3 5 2 5 2 1 4 1 5 1 3
1 2 1 2 1 3 2 4 2 5 3 5 2 1 4 0 2 0 0 2 0 3 0 1
CROSSREFS
Column 5 of A234890.
Sequence in context: A250149 A243969 A231424 * A251902 A234139 A175743
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2014
STATUS
approved

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Last modified July 15 06:58 EDT 2024. Contains 374324 sequences. (Running on oeis4.)