Intersection of A065764 and A065765: n such that x and y exist with sigma[x^2] = n = sigma[2*(y^2)].

A065767

Intersection of A065764 and A065765: n such that x and y exist with sigma[x^2] = n = sigma[2*(y^2)].

Terms

    a(0) =399a(1) =5187a(2) =12369a(3) =34671a(4) =48279a(5) =73017a(6) =80199a(7) =122493a(8) =152019a(9) =160797a(10) =220647a(11) =259749a(12) =311619a(13) =347529a(14) =396207a(15) =436107a(16) =561393a(17) =687477a(18) =755307a(19) =900543a(20) =949221a(21) =1042587a(22) =1074801a(23) =1142337a(24) =1412859a(25) =1496649a(26) =1509417a(27) =1592409a(28) =1818243

External references