53152
domain: N
Appears in sequences
- Number of asymmetric (identity) trees with n nodes and 5 leaves.at n=20A055336
- Convolution of sequence of primes with sequence sigma(n).at n=37A086718
- Numbers k such that the digits of k^2, reversed, include the digits of k as a substring.at n=10A115761
- a(n) = 1 + (144 + (50 + (35 + (10 + n)*n)*n)*n)*n/120.at n=21A145127
- Multi-bifurcating recursion of a factorial type based on the Eulerian numbers A008292 as a triangle sequence: t(n,k) = Sum_{j=0..k+1} (-1)^j * binomial(n + 1, j)*(k + 1 - j)^n; f(n, m) = If[m <= floor(n/2), f(m, 1)*f(n - m, 1)*t(n + 1, m)].at n=7A155556
- a(n) = [x^n] (1/(1 - 2*x/(1 - 2*x/(1 - 4*x/(1 - 4*x/(1 - 6*x/(1 - 6*x/(1 - ...))))))))^n, a continued fraction.at n=5A293471
- Number of ways to write n as an ordered sum of 8 prime powers (including 1).at n=13A341137
- Number of regions in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n.at n=7A359692
- Number of intersection types when n circular arcs pass through a single point, reduced for symmetry.at n=11A387988