118550

Appears in sequences

• Number of permutations of length n which avoid the patterns 1234, 1432, 4231.at n=20A116804
• Number of 14X2 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 14 zero-sum 2-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=14A192715