-3319

Appears in sequences

• Triangle T(n, m) appearing in the expansion of Jacobi's elliptic function cn(u, k) divided by cos(v) in terms of the Jacobi nome q and even powers of 2*cos(v) with v = u/((2/Pi)*K(k)).at n=58A275791
• Numerators of the partial alternating sums of the reciprocals of the alternating sum of divisors function (A206369).at n=22A379621