185329

Appears in sequences

• Generalized Fibonacci numbers: a(n) = a(n-1) + 9*a(n-2).at n=10A015445
• Denominators of continued fraction convergents to sqrt(321).at n=9A041607
• Numbers m such that k = m*23^2 divides 3^(k-1) - 2^(k-1).at n=33A130058
• Numbers n of the form p^2-p-1 = A165900(p), for prime p, such that n^2-n-1 = A165900(n) is also prime.at n=17A237527