Expansion of exp( Sum_{k>=1} binomial(10*k-1,2*k-1) * x^k/k ).

A381752

Expansion of exp( Sum_{k>=1} binomial(10*k-1,2*k-1) * x^k/k ).

Terms

    a(0) =1a(1) =9a(2) =525a(3) =44067a(4) =4338765a(5) =467396050a(6) =53346810991

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