24831

Appears in sequences

• Number of atoms in a decahedron with n shells.at n=31A004068
• Number of fuzzy subgroups of rank 3 cyclic group of order (p^n)*q*r where p, q and r are three distinct prime.at n=7A107464
• Number of rooted trees on n nodes with thinning limbs.at n=16A124343
• Q-residue of the (n+1)st Fibonacci polynomial, where Q is the triangular array (t(i,j)) given by t(i,j)=1. (See Comments.)at n=12A193649
• Numbers a = b + c where a, b, and c contain the same decimal digits.at n=30A203024
• Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero.at n=25A208598
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=|x-y|+|y-z|.at n=31A212570
• Numbers x such that the sum of all their cyclic permutations is equal to that of all cyclic permutations of sigma(x) and all cyclic permutations of Euler totient function phi(x).at n=26A247317
• Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2 or 3.at n=42A257065
• Number of compositions of n such that the maximal distance between two identical parts equals two.at n=23A262194
• Number of n-step walks from one of the vertices with degree 3 to itself on the four-vertex diamond graph.at n=12A344261
• Triangle read by rows: T(n,k) is the number of face-connected components of polyhedra with k prisms and n-k truncated cuboctahedra in the omnitruncated cubic honeycomb up to translation and rotation, 0 <= k <= n.at n=24A384756