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A172689 Number of 5*n X n 0..2 arrays with row sums 2 and column sums 10 1
1, 8953, 10060071021, 293631119403639732, 100139724386322263262579960, 245885257930209910994050195049583660, 3140955188547844588635579044406639849274718880 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..19

CROSSREFS

Sequence in context: A172930 A172948 A172960 * A172782 A034589 A237164

Adjacent sequences:  A172686 A172687 A172688 * A172690 A172691 A172692

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified June 25 13:19 EDT 2022. Contains 354851 sequences. (Running on oeis4.)