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A172743 Number of n X 3 0..3 arrays with row sums 3 and column sums n. 2
1, 7, 55, 415, 3391, 28681, 248137, 2186815, 19546975, 176703337, 1612210777, 14823083089, 137176167025, 1276548044695, 11936862061495, 112092031526335, 1056512066133055, 9991003788000025, 94760438267696425, 901154863603211665 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
R. H. Hardin, Table of n, a(n) for n=1..99
CROSSREFS
Column k=3 of A333901.
Sequence in context: A069404 A198689 A320091 * A015564 A070997 A370177
Adjacent sequences: A172740 A172741 A172742 * A172744 A172745 A172746
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved

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Last modified May 24 22:09 EDT 2024. Contains 372782 sequences. (Running on oeis4.)