Denominator of partial sums of a certain series.

A101029

Denominator of partial sums of a certain series.

Terms

    a(0) =1a(1) =10a(2) =70a(3) =420a(4) =4620a(5) =60060a(6) =60060a(7) =408408a(8) =7759752a(9) =38798760a(10) =892371480a(11) =4461857400a(12) =13385572200a(13) =55454513400

External references