

A192704


Number of 4X3 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 4 zerosum 3vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations)


1



2, 10, 45, 191, 639, 1925, 5059, 12197, 27061, 55957, 109220, 204227, 361922, 621790, 1032797, 1662821, 2607574, 4007507, 5999290, 8835971, 12784870, 18186200, 25491781, 35326689, 48192368, 65114102, 87009836, 115061673, 150717188
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