Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = R*P = R*Q*(R^-2)*Q*R = P*Q*(P^-2)*Q*P, using triangular matrices P=A113370, Q=A113381 and R=A113389.

A113384

Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = R*P = R*Q*(R^-2)*Q*R = P*Q*(P^-2)*Q*P, using triangular matrices P=A113370, Q=A113381 and R=A113389.

Terms

    a(0) =1a(1) =4a(2) =1a(3) =22a(4) =10a(5) =1a(6) =212a(7) =130a(8) =16a(9) =1a(10) =3255a(11) =2365a(12) =328a(13) =22a(14) =1a(15) =70777a(16) =57695a(17) =8640a(18) =616a(19) =28a(20) =1a(21) =2022897a(22) =1798275a(23) =284356a(24) =21197a(25) =994a(26) =34a(27) =1a(28) =72375484a(29) =68931064

External references