Row sums of signed triangle A064334.

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =3a(5) =4a(6) =-6a(7) =49a(8) =-178a(9) =76a(10) =8633a(11) =-124131a(12) =1202662a(13) =-8252662a(14) =16009623a(15) =730544913a(16) =-17236420029a(17) =256679586178