A184127 - OEIS

A184127

Number of n X 7 0..3 arrays with rows and columns in nondecreasing order.

120, 142376, 581588614, 2895890669208, 12323643023399737, 42630936592613426327, 122233352821430587249163, 298254428253388683225868035, 633084498761485396427699934865

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A184129.

LINKS

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

EXAMPLE

Some solutions for 3 X 7

..0..0..0..0..0..0..0....0..0..0..0..0..0..1....0..0..0..0..2..2..2

..0..0..0..0..1..2..3....0..0..0..1..2..3..3....0..0..0..2..0..1..3

..0..0..0..0..3..2..3....0..0..2..0..2..2..3....0..0..2..0..1..3..2

CROSSREFS

Cf. A184129.

Sequence in context: A008978 A077692 A322917 * A068296 A123380 A172805

Adjacent sequences: A184124 A184125 A184126 * A184128 A184129 A184130

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 2011

STATUS

approved