Binomial transform of [1, 4, 10, 20, 0, 0, 0, ...].

Terms

a(0) =1a(1) =5a(2) =19a(3) =63a(4) =157a(5) =321a(6) =575a(7) =939a(8) =1433a(9) =2077a(10) =2891a(11) =3895a(12) =5109a(13) =6553a(14) =8247a(15) =10211a(16) =12465a(17) =15029a(18) =17923a(19) =21167a(20) =24781a(21) =28785a(22) =33199a(23) =38043a(24) =43337a(25) =49101a(26) =55355a(27) =62119a(28) =69413a(29) =77257