70254

Appears in sequences

• Solution to the Dancing School Problem with 5 girls and n+5 boys: f(5,n).at n=10A079910
• Numbers k such that if you subtract k-reversed from k you get a natural number with the same digits as k.at n=23A121969
• a(n) = (1/2^n)* Sum_{k=0..n} binomial(n,k)*(n+k)^(n-1).at n=5A138903
• Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 3.at n=30A245143
• Irregular table read by rows: The number of k-faced polyhedra, where k>=4, created when an n-prism, formed from two n-sided regular polygons joined by n adjacent rectangles, is internally cut by all the planes defined by any three of its vertices.at n=39A338801