Erroneous version of A058377.

Terms

a(0) =1a(1) =1a(2) =4a(3) =7a(4) =35a(5) =62a(6) =361a(7) =657a(8) =4110a(9) =7636a(10) =49910a(11) =93846a(12) =632602a(13) =1199892a(14) =8273610