176837

Appears in sequences

• Number of 1X5 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 5-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=39A192692
• First occurrence of difference n between two consecutive terms of A000404. a(n) gives the upper term. The lower term is A355237.at n=26A355238