login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A233937
Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16
1
88572, 661392, 4772576, 45364028, 410504080, 5477532268, 60733857256, 1079461642560, 13342556725120, 271325357838568, 3484793466303292, 74311875931743564, 966128816028679112, 20929726685821229140
OFFSET
1,1
COMMENTS
Column 4 of A233939
LINKS
EXAMPLE
Some solutions for n=1
..3..7..2..0..3....7..6..2..5..1....3..5..7..6..5....2..6..5..7..5
..2..2..3..5..2....2..5..7..4..6....0..4..2..7..2....3..1..6..2..6
CROSSREFS
Sequence in context: A068536 A183728 A237908 * A022201 A345566 A345821
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2013
STATUS
approved