[111. Generalized Taxicab Number (2010.12.3)] [110. x1^4 + x2^4 +...+ xn^4 = nw^2 (2010.11.1)] [109. ON EQUAL SUMS OF NINTH POWERS Part 2 (2010.10.1)] [108. Solutions of x^4 + y^4 + z^4 = nw^2 (2010.9.1)] [107. Any rational number N is the sum and difference of four rational fourth powers in an infinite number of ways. (2010.8.1)] [106. ON EQUAL SUMS OF NINTH POWERS (2010.7.20)] [105. Solutions of