A203866 - OEIS

A203866

Number of (n+1)X5 0..4 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively

55848, 1605552, 31521422, 443416660, 4868641840, 43601076951, 332477439628, 2212638198898, 13146495088849, 70788368478733, 350130135993392, 1606454570141526, 6897447647573751, 27902889502486096, 107002812869185197

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

OFFSET

1,1

COMMENTS

Column 4 of A203870

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..1..1..0..4..3....0..3..4..3..3....0..2..3..4..3....0..0..3..3..2

..1..1..2..3..4....0..4..3..4..4....3..2..4..3..4....0..0..3..3..4

..4..4..4..4..4....2..3..4..4..4....1..4..3..4..4....0..3..2..4..4