91285

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 67.at n=1A031655
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=4, I={0,2}.at n=39A079974
• Expansion of 1/(1 - x - x^2 + x^3 - x^4 + x^6).at n=35A193146
• Expansion of Product_{k>=1} 1/(1 - k^4 * x)^((1/3) * (1/2)^(k+1)).at n=2A384409