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A172650 Number of 2*n X n 0..2 arrays with row sums 5 and column sums 10. 1
0, 0, 90, 34145664, 101471705778601, 1563133410663239958840, 101720498887190010630546323580, 23601511081513772065907556838530960960, 17017920144305424073117333502327304544668289632 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
CROSSREFS
Sequence in context: A135321 A135428 A028672 * A353038 A252093 A172756
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved

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Last modified July 16 10:51 EDT 2024. Contains 374345 sequences. (Running on oeis4.)