a(n) = numerator of Sum_(k=1..n) 1/(2*k - 1)^n.A234144a(n) = numerator of Sum_(k=1..n) 1/(2*k - 1)^n.Terms a(0) =0a(1) =1a(2) =10a(3) =3527a(4) =123296356External referencesoeis: A234144