244589

Properties

Appears in sequences

• Primes p such that 2p+1, 4p+3, 6p+5, 8p+7 are all primes.at n=14A107021
• Primes p such that 2p+1, 4p+3, 6p+5, 8p+7, 10p+9 are all primes.at n=3A107022
• Triangle read by rows: T(n,k) is the number of weakly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2.at n=53A350734
• Prime numbersat n=21599