Sum of terms in row n of A081520.

Terms

a(0) =1a(1) =3a(2) =10a(3) =13a(4) =51a(5) =24a(6) =148a(7) =57a(8) =109a(9) =77a(10) =606a(11) =100a(12) =1015a(13) =161a(14) =226a(15) =241a(16) =2313a(17) =231a(18) =3250a(19) =318a(20) =493a(21) =425a(22) =5820a(23) =415a(24) =1501a(25) =605a(26) =1054a(27) =664a(28) =11775a(29) =593