106601domain: NAppears in sequencesPalindromes of form n^2 + 3*n + 1.at n=13A028349Composite numbers whose prime factors contain no digits other than 1 and 8.at n=12A036308Pell equation solutions (9*a(n))^2 - 82*b(n)^2 = -1 with b(n):=A097739(n), n >= 0.at n=2A097738a(n) = floor(2^n csc(1/n)).at n=12A333186