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A172933 Number of 2*n X n 0..7 arrays with row sums 9 and column sums 18 1
0, 146, 62923906, 1389194436231112, 851595316175807779373475, 9204278755664744827525498829547800, 1226956821626286798384954346260110391913131030 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
R. H. Hardin, Table of n, a(n) for n=1..10
CROSSREFS
Sequence in context: A097728 A172877 A172911 * A145212 A195239 A122064
Adjacent sequences: A172930 A172931 A172932 * A172934 A172935 A172936
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)