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A172839 Number of 3*n X 2*n 0..4 arrays with row sums 4 and column sums 6. 1
19, 7100821, 811889208811800, 4509741556140302851191900, 472456616741846499933573760930072500, 525065279695190719776277892214398176478661270000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..16

CROSSREFS

Sequence in context: A099114 A013810 A172875 * A177920 A145308 A087515

Adjacent sequences:  A172836 A172837 A172838 * A172840 A172841 A172842

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified August 11 10:15 EDT 2022. Contains 356065 sequences. (Running on oeis4.)