123547

Properties

Appears in sequences

• Primes of the form pq + p + 1 where p < q are adjacent primes.at n=17A180932
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood.at n=34A281754
• Triangle read by rows: T(n,k) is the number of embeddings on the sphere of connected simple planar graphs with n nodes and k faces up to orientation preserving isomorphisms, n >= 1, k=1..max(1,2*n-4).at n=48A384964
• Prime numbersat n=11610