44358635475domain: NAppears in sequencesQuadruple factorial numbers: Product_{k=0..n-1} (4*k + 3).at n=9A008545Lower triangular array called S2hat(-3) related to partition number array A144279.at n=45A144280a(n) = (2*n - 1) * a(n-2) for n>1, a(0) = a(1) = 1.at n=18A235136