219108domain: NAppears in sequencesa(n) = n-th elementary symmetric function of the first n+1 positive integers congruent to 2 mod 3.at n=5A024395Triangle read by rows, s_3(n, k) where s_m(n, k) are the Stirling-Frobenius cycle numbers of order m; n >= 0, k >= 0.at n=22A225470