Numerator of Sum_{k=1..n} 1/A077800(k), denominator=A074043.

A074042

Numerator of Sum_{k=1..n} 1/A077800(k), denominator=A074043.

Terms

    a(0) =1a(1) =8a(2) =11a(3) =92a(4) =1117a(5) =15676a(6) =281507a(7) =5603888a(8) =167362597a(9) =5328886012a(10) =222844337147

External references