a(n) is the total number of positive integral solutions (x,y), order being taken into account, to the equation 1/x + 1/y + 1/z = 1/n.

A082604

a(n) is the total number of positive integral solutions (x,y), order being taken into account, to the equation 1/x + 1/y + 1/z = 1/n.

Terms

    a(0) =10a(1) =46a(2) =106a(3) =148a(4) =196a(5) =310a(6) =232a(7) =394a(8) =442a(9) =538a(10) =352a(11) =910a(12) =334a(13) =778a(14) =1126a(15) =736a(16) =418a(17) =1210a(18) =460a(19) =1702a(20) =1414a(21) =904a(22) =538a(23) =2128a(24) =904a(25) =1006a(26) =1336a(27) =1990a(28) =616a(29) =2884

External references