53416

Appears in sequences

• Numbers k such that the largest prime factor of k is equal to the sum of primes dividing k+1 (with repetition).at n=33A071861
• Number of unrooted two-vertex n-edge maps in the plane (planar with a distinguished outside face).at n=8A103943
• Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term.at n=30A212744
• Rhonda numbers in vigesimal number system.at n=11A255732
• Numbers k such that Bernoulli number B_{k} has denominator 61410.at n=29A295591
• Array read by antidiagonals: A(n,k) is the number of sensed planar maps with n vertices and k faces including one distinguished outside face, n >= 1, k >= 1.at n=45A380240