22696

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 75.at n=37A031573
• Series expansion for mean-squared radius of gyration of Ferrers diagrams on square lattice.at n=6A121781
• a(n)=smallest positive integer such that product{k=1 to n}(1+1/a(k)) has a prime numerator.at n=17A132181
• Numbers m such that m^2 is an anagram of a Fibonacci number.at n=18A162391
• Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() in 0..n-1.at n=3A180812
• Number of 5-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=17A187158
• Principal diagonal of the convolution array A213773.at n=15A214092
• Number of length n+4 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=14A256819
• Numbers n such that n*2^2281 - 1 is prime.at n=19A265504
• Numbers k such that A383844(k) = 2.at n=25A384584