103744domain: NAppears in sequencesNumbers n such that 93*2^n-1 is prime.at n=32A050572a(n) = (n-1)*(a(n-1)+a(n-2)+a(n-3)).at n=8A108188G.f.: (1+3*x+12*x^2+48*x^3)/(1-x-256*x^4).at n=8A158778