980297

Appears in sequences

• Number of 2X4 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 4-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=20A192699
• Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and every three consecutive elements having its maximum within 4 of its minimum.at n=18A263700