Sum of terms in n-th rows of triangle in A077159.

Terms

a(0) =2a(1) =4a(2) =16a(3) =48a(4) =56a(5) =144a(6) =147a(7) =294a(8) =358a(9) =624a(10) =548a(11) =1020a(12) =978a(13) =1576a(14) =1685a(15) =2340a(16) =2048a(17) =3456a(18) =3036a(19) =4454a(20) =4481a(21) =5870a(22) =5188a(23) =7722a(24) =7289a(25) =9560a(26) =9365a(27) =11976a(28) =10889a(29) =15378