62690

Appears in sequences

• Number of 2X5 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2*n^2 (number of collections of 2 zero-sum 5-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=8A192700
• Terms of the Leibniz formula (as Euler product) that generate successively better approximations to Pi.at n=20A261208