Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^4)).
A111921
Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^4)).
Terms
- a(0) =1a(1) =16a(2) =432a(3) =6912a(4) =864000a(5) =864000a(6) =296352000a(7) =4741632000a(8) =128024064000a(9) =128024064000
External references
- oeis: A111921