Eighth column (m=7) of (1,4)-Pascal triangle A095666.

Terms

a(0) =4a(1) =29a(2) =120a(3) =372a(4) =960a(5) =2178a(6) =4488a(7) =8580a(8) =15444a(9) =26455a(10) =43472a(11) =68952a(12) =106080a(13) =158916a(14) =232560a(15) =333336a(16) =468996a(17) =648945a(18) =884488a(19) =1189100a(20) =1578720a(21) =2072070a(22) =2691000a(23) =3460860a(24) =4410900a(25) =5574699a(26) =6990624a(27) =8702320a(28) =10759232a(29) =13217160