Number of (n+1)X(2+1) 0..2 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.

A232850

Number of (n+1)X(2+1) 0..2 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.

Terms

    a(0) =112a(1) =1169a(2) =10020a(3) =69096a(4) =395858a(5) =1977447a(6) =8733769a(7) =35038672a(8) =129401308a(9) =446455554a(10) =1449355171a(11) =4445398493a(12) =12943299647a(13) =35960503702a(14) =95710408560a(15) =245007196179

External references