181445domain: NAppears in sequencesa(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3.at n=31A022860Number of solutions (x,y,z,u,v,w) to x+y+z = u+v+w, 0<=x,y,z,u,v,w<=n-1, x>=y>=z, u>=v>=w.at n=24A071009Multiplicative orders of 2+-i modulo p == 3 (mod 4) that are not divisible by 2 or 3.at n=11A385219