Number of (n+1)X(1+1) 0..3 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.
A232760
Number of (n+1)X(1+1) 0..3 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.
Terms
- a(0) =86a(1) =561a(2) =2834a(3) =11863a(4) =42958a(5) =138943a(6) =407544a(7) =1105315a(8) =2802289a(9) =6705803a(10) =15253456a(11) =33149048a(12) =69203489a(13) =139365681a(14) =271624913a(15) =513974476a(16) =946613483a(17) =1700901689a(18) =2987599393a(19) =5138621445a(20) =8668817851a(21) =14363420954a(22) =23402083437a(23) =37534342033
External references
- oeis: A232760