Numerator of Sum[Sum[(-1)^(i+1)*1/(i*j)^2, {i, 1, n}], {j, 1, n}].
A119784
Numerator of Sum[Sum[(-1)^(i+1)*1/(i*j)^2, {i, 1, n}], {j, 1, n}].
Terms
- a(0) =1a(1) =15a(2) =1519a(3) =23575a(4) =15907111a(5) =5224037a(6) =13034567237a(7) =206747823917
External references
- oeis: A119784