464386

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 54.at n=22A031642
• Numbers k such that 113*2^k-1 is prime.at n=19A050582
• Numbers n such that n-1, n, and n+1 are the product of 4 distinct primes.at n=13A248203