58303

Appears in sequences

• Numerator of the sum of all matrix elements of n X n matrix M[i,j]=CatalanNumber[i]/CatalanNumber[j], where CatalanNumber[k]=(2k)!/k!/(k+1)!=A000108[k].at n=5A120306
• A sequence of integers from an additive problem with prime numbers.at n=40A348472