28266

Appears in sequences

• Number of 2n-step self avoiding closed walks on square grid, restricted to a quadrant and passing through origin.at n=9A034010
• a(n) = 64*n^2 + 2*n.at n=21A158070
• G.f. satisfies: A(x) = 1 + x*A(x)*A(-x) + x^2*A(x)/A(-x).at n=18A209199
• Consider the partitions of n in reverse lexicographic ordering (A080577), a(n) is the position of the partition of n which has the maximum LCM. See A000793.at n=43A213952
• Number of 8-line partitions of n (i.e., planar partitions of n with at most 8 lines).at n=18A225198
• Numbers n such that Bernoulli number B_{n} has denominator 1806.at n=37A272139
• Real parts of the recursive sequence a(n+2) = Sum_{k=0..n} binomial(n,k)*a(k)*a(n+1-k), with a(0)=1, a(1)=i.at n=10A289082