Alternating row sums of triangle A134151.

A134272

Alternating row sums of triangle A134151.

Terms

    a(0) =1a(1) =3a(2) =25a(3) =239a(4) =3289a(5) =53111a(6) =1031497a(7) =22906903a(8) =578734697a(9) =16306214743a(10) =508360540457

External references