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A140929 Number of 6 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,10,n can be permuted, see formula. 0
1, 8008, 14158144, 9386849472, 3031952379456, 559611782036736, 65728947490132992, 5307612509828239104, 312230512837780450368 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
(empirical) set p,q,r to n,10,6 (in any order) in s=p+q+r-1; a(n) = product {i in 0..r-1} (binomial(s,p+i)*i!/(s-i)^(r-i-1))
CROSSREFS
Sequence in context: A013896 A345582 A345839 * A184371 A157663 A232075
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 05 2008
STATUS
approved

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Last modified May 19 09:05 EDT 2024. Contains 372673 sequences. (Running on oeis4.)