Number of distinct values of Sum_{i=0..n} x(i)*binomial(n,i), where the x(i) have values in 0..4.

Terms

a(0) =5a(1) =9a(2) =17a(3) =33a(4) =65a(5) =129a(6) =257a(7) =513a(8) =1025a(9) =2049a(10) =4089a(11) =6705a(12) =16327a(13) =22689a(14) =63573a(15) =130389a(16) =261393a(17) =277569a(18) =1029837a(19) =993393a(20) =3736239a(21) =8378487a(22) =16485497a(23) =12937617a(24) =49303463a(25) =133933765a(26) =258521683a(27) =532893609a(28) =1071289053a(29) =666222975