48745

Appears in sequences

• Numbers k such that 6*k+1, 6*k+7, 6*k+13, 6*k+19 are consecutive primes.at n=37A090839
• Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+9.at n=5A116348
• Duplicate of A090839.at n=37A296055
• Semiprimes k such that k+1, k+2, 2*k+1 and 2*k+3 are also semiprimes.at n=6A362200
• Number of vertex cuts in the n X n knight graph.at n=3A362498