192361

Appears in sequences

• Number of 1X9 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 1 zero-sum 9-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=12A192696
• E.g.f.: exp( Sum_{n>=1} x^(n^2) / n^n ).at n=10A226838