1317904

Appears in sequences

• Determinant of n X n matrix defined by m(i,j)=1 if i+j is a prime, m(i,j)=0 otherwise.at n=31A069191
• Number of subsets of {1,2,...,n-8} without differences equal to 4 or 8.at n=42A224815
• Powerful numbers (A001694) whose sum of powerful divisors (including 1) is also powerful.at n=19A349109