52628

Appears in sequences

• Denominators of continued fraction convergents to sqrt(175).at n=9A041323
• Trajectory of 18 under iteration of the map k -> A087712(k).at n=14A077960
• Number of signed permutations of length n invariant under the reverse complement and avoiding (-2, -1), (-2, 1), (2, -1).at n=13A193776
• Numbers n such that n^2048 + (n+1)^2048 is prime.at n=39A274235
• Numbers k such that [prime(k), prime(k+1), prime(k+2), prime(k+3)] == [1, 2, 3, 4] (mod 11).at n=5A302772
• Number of rises in all compositions of n with parts in {1,2,3} and adjacent differences in {-1,1}.at n=47A383549