5861376domain: NAppears in sequencesA sequence of triples arising from a matrix calculation, in particular let m = floor(n/3), then (a(3*m), a(3*m+1), a(3*m+2)) = M^(m*(m+1)/n) * (0, 1, 1) where M is the matrix [[1,0,1], [1,1,0], [-1,1,0]].at n=25A103191