Row sums of triangle A098542, which shifts left and up under the matrix square.

A098544

Row sums of triangle A098542, which shifts left and up under the matrix square.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =23a(5) =119a(6) =1015a(7) =14583a(8) =359671a(9) =15471863a(10) =1175385335a(11) =159340049655

External references