A172876 Number of 2*n X n 0..5 arrays with row sums 9 and column sums 18

0, 6, 2931721, 121455149938696, 126089364994137051749175, 2069759825203620045218768697951200, 381163169870068345716673283360625263636254050

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..10

Crossrefs

Sequence in context: A340183 A115476 A297528 * A269516 A116272 A273723

Adjacent sequences: A172873 A172874 A172875 * A172877 A172878 A172879

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved