Row l=5 of array in A133713.

Terms

a(0) =1a(1) =10a(2) =65a(3) =325a(4) =1371a(5) =5087a(6) =17080a(7) =52835a(8) =152606a(9) =415602a(10) =1075410a(11) =2660010a(12) =6320476a(13) =14485642a(14) =32131580a(15) =69181744a(16) =144943566a(17) =296136752a(18) =591142760a(19) =1154839554a(20) =2211164332a(21) =4154912452a(22) =7671082770a(23) =13930509344a(24) =24906380837a(25) =43880045952