The fifth left hand column of triangle A167552.

Terms

a(0) =24a(1) =308a(2) =2236a(3) =11640a(4) =47753a(5) =163419a(6) =485121a(7) =1284987a(8) =3101175a(9) =6927921a(10) =14502059a(11) =28718989a(12) =54217878a(13) =98183330a(14) =171418854a(15) =289756194a(16) =475873962a(17) =761609034a(18) =1190854830a(19) =1823151902a(20) =2738088199a(21) =4040638965a(22) =5867589455a(23) =8395197525a(24) =11848267665