Partial sums of A162766.

Terms

a(0) =4a(1) =7a(2) =19a(3) =28a(4) =64a(5) =91a(6) =199a(7) =280a(8) =604a(9) =847a(10) =1819a(11) =2548a(12) =5464a(13) =7651a(14) =16399a(15) =22960a(16) =49204a(17) =68887a(18) =147619a(19) =206668a(20) =442864a(21) =620011a(22) =1328599a(23) =1860040a(24) =3985804a(25) =5580127a(26) =11957419a(27) =16740388a(28) =35872264a(29) =50221171