-918domain: ZAppears in sequencesTriangle 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=62A275791Row sums of A291940.at n=12A291942