18458

Appears in sequences

• Numbers n for which there are exactly five k such that n = k + reverse(k).at n=38A072429
• a(1)= 10000, a(2)= 10000; for n>2, a(n)= ( a(n-2) + a(n-1) ) (mod 20000).at n=30A096973
• a(n) = 839*n.at n=22A135639
• Number of sets (in the Hausdorff metric geometry) at each location between two sets defined by a K(4,n) (with n at least 2) complete bipartite graph missing one edge.at n=2A335609
• Numbers k at which point A336459(k) appears multiplicative, but A051027(k) does not.at n=30A336561
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} 2^j * j^k.at n=49A368479
• Number of embeddings on the sphere of Halin graphs on n unlabeled nodes up to orientation-preserving homeomorphisms.at n=17A380360