104726

Appears in sequences

• Numbers n such that n+prime(n) is the square of a prime.at n=16A104911
• Numbers n such that prime(n) + n is a prime power (A246547).at n=25A109314
• Irregular triangle read by rows: T(n,k) (n >= 1, 0 <= k <= (n-1)*(n-2)/2) = number of weakly connected subdigraphs of the transitive tournament on n nodes that have k arcs.at n=33A350610