683777

Properties

Appears in sequences

• Hyper-Wiener index of a benzenoid consisting of a double-step spiral chain of n hexagons (n >= 2, s = 21; see the Gutman et al. reference).at n=22A193398
• Triangle T(n,k) read by rows, where the n-th row is the vector of n consecutive primes with minimum first element, such that the components of the sum of this vector and of this vector arranged in reverse order are all the same.at n=23A391880
• Prime numbersat n=55339