Denominator of binomial(2*n,n)/20^n.

A285021

Denominator of binomial(2*n,n)/20^n.

Terms

    a(0) =1a(1) =10a(2) =200a(3) =400a(4) =16000a(5) =800000a(6) =16000000a(7) =160000000a(8) =2560000000a(9) =25600000000

External references