79773

Appears in sequences

• Numbers k such that 67*2^k-1 is prime.at n=14A050559
• Triangle T(n,k) = number of polyhedra (triconnected planar graphs) with n faces and k vertices, where (n/2+2) <= k <= (2n+8).at n=44A058787
• Triangle T(n,k) = number of polyhedra (triconnected planar graphs) with n edges and k vertices (or k faces), where (n/3+2) <= k <= (2n/3). Note that there is no such k when n=7.at n=58A058788
• Triangle T(n,k) = number of polyhedra (triconnected planar graphs) with n edges and k vertices (or k faces), where (n/3+2) <= k <= (2n/3). Note that there is no such k when n=7.at n=62A058788
• Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4).at n=60A212438
• Number of compositions (ordered partitions) of n into parts with an odd number of prime divisors (counted with multiplicity).at n=31A286226