Expansion of e.g.f. (1-sqrt(1-8*x))/2.

A052713

Expansion of e.g.f. (1-sqrt(1-8*x))/2.

Terms

    a(0) =0a(1) =2a(2) =8a(3) =96a(4) =1920a(5) =53760a(6) =1935360a(7) =85155840a(8) =4428103680a(9) =265686220800

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