26836

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 98 ones.at n=33A031866
• Number of line segments connecting exactly 8 points in an n x n grid of points.at n=44A177724
• T(n,k)=Number of n-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on a kXk board summed over all starting positions.at n=49A187857
• Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.at n=5A187860
• Number of n-node rooted identity trees of height 10.at n=8A229404
• a(n) = 0 if n <= 2; thereafter a(n) = A238827(n) + A238830(n-2).at n=16A238831
• Irregular triangle read by rows: T(n,k) = number of ways k brooks (0 <= k <= 2n+1) can be placed on the grid points of an n triboard so that no two brooks lie in the same straight line.at n=27A260333
• The records for distance squared for step lengths between adjacent primes in A330979, the visited primes for a walk stepping to the closest unvisited prime on the Ulam Spiral.at n=25A331027