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”).

A233900
Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 35
1
12288, 62064, 267792, 1795420, 9063944, 78303216, 418952968, 4481613904, 23800307888, 300386468800, 1535919474424, 21928609727864, 107022706150416, 1677459090736016, 7824157242484784, 131906083532951144, 590941530817591016
OFFSET
1,1
COMMENTS
Column 4 of A233903
LINKS
EXAMPLE
Some solutions for n=2
..3..6..3..0..1....3..6..5..6..3....3..2..0..2..5....3..5..3..4..3
..2..4..2..4..2....2..4..2..4..2....6..4..1..4..6....2..1..2..6..2
..3..6..3..6..5....3..0..1..0..1....3..2..0..2..3....4..0..4..5..4
CROSSREFS
Sequence in context: A262623 A140688 A137489 * A172488 A133860 A133861
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved