A103412 Consider smallest m such that m^2 = x_1^2 + ... + x_n^2 with 0 < x_1 < ... < x_n. Sequence gives value of x_n for lexicographically least {x_1,...,x_n}.

1, 4, 6, 6, 7, 9, 9, 11, 11, 15, 12, 16, 15, 16, 20, 21, 23, 22, 22, 30, 23, 25, 28, 24, 26, 33, 32, 36, 35, 43, 34, 35, 36, 38, 38, 39, 42, 45, 42, 44, 50, 44, 48, 48, 49, 50, 49, 51, 52, 64, 57, 56, 57, 65, 61, 63, 65, 61, 64, 64, 65, 65, 69, 67, 69, 76, 76, 79, 75, 73, 80, 73