2883585domain: NAppears in sequencesa(n) = 11*2^n + 1.at n=18A083683a(n) = 2*a(n-1) - 1 for n>1, a(1)=23.at n=17A122041a(n) = 11*4^n + 1.at n=9A199211a(n) = 11*8^n+1.at n=6A199558