29096

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 85.at n=39A031583
• Structured hexagonal anti-prism numbers.at n=23A100183
• Number of nX3 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=13A201446
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=2|x-y|-|y-z|.at n=34A212577
• Expansion of x*(1+13*x-12*x^3)/(1-14*x^2+12*x^4).at n=7A249313
• Array read by antidiagonals: T(n,k) = number of noncrossing path sets on k*n nodes up to rotation and reflection with each path having exactly k nodes.at n=42A302828
• a(n) is the number of noncrossing path sets on 3*n nodes up to rotation and reflection with each path having exactly 3 nodes.at n=6A303330
• Numbers k such that 128 * 3^k - 1 is prime.at n=27A384228