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A172720
Number of 9*n X 2*n 0..2 arrays with row sums 2 and column sums 9
1
3139, 3423871305383100, 34335031273255183438800013252500, 141178303808277520681079289672968415090175698600000, 52186319789297652611103763179819584756687013016766057690192910549000000
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context: A172929 A172945 A172961 * A276686 A252215 A250760
Adjacent sequences: A172717 A172718 A172719 * A172721 A172722 A172723
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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Last modified November 7 13:46 EST 2024. Contains 377535 sequences.
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