Differentiate the g.f. underlying A032188 and evaluate it at x=1.

A298013

Differentiate the g.f. underlying A032188 and evaluate it at x=1.

Terms

    a(0) =0a(1) =1a(2) =8a(3) =91a(4) =1334a(5) =23413a(6) =506652a(7) =12386183

External references