1044120

Appears in sequences

• Numbers that can be expressed as the difference of the squares of primes in exactly thirteen distinct ways.at n=13A092009
• Triangle read by rows: T(n,k) is the number of set partitions of the set {1,2,...,n} (or of any n-set) containing k blocks of size 3 (0<=k<=floor(n/3)).at n=32A124503