Number of distinct values of Sum_{i=0..n} x(i)*binomial(n,i), where the x(i) have values in 0..2.

Terms

a(0) =3a(1) =5a(2) =9a(3) =17a(4) =33a(5) =65a(6) =125a(7) =185a(8) =479a(9) =935a(10) =1871a(11) =1865a(12) =5951a(13) =6255a(14) =16089a(15) =53785a(16) =111849a(17) =75845a(18) =235803a(19) =193885a(20) =907073a(21) =3121781a(22) =5184587a(23) =2975585a(24) =11702809a(25) =34407995a(26) =65080897a(27) =194524197a(28) =426252517a(29) =177170275