1167026domain: NAppears in sequencesa(n) = 384*4^n - 576*3^n + 220*2^n - 14.at n=6A305862Array read by ascending antidiagonals: A(n, k) = n!*[x^n] Li(-k, 1 - exp(-4*x))/(4*sinh(x)), where Li(n, z) is the polylogarithm function.at n=51A345394