Odd numbers k such that 2*k is equal to bitwise-AND of 2*k and sigma(k).

Terms

a(0) =1116225a(1) =1245825a(2) =1380825a(3) =2127825a(4) =10046025a(5) =16813125a(6) =203753025a(7) =252880425a(8) =408553425a(9) =415433025a(10) =740361825a(11) =969523425a(12) =1369580625a(13) =1612924425a(14) =1763305425a(15) =2018027025a(16) =2048985225a(17) =2286684225a(18) =3341556225a(19) =3915517725a(20) =3985769025a(21) =4051698525a(22) =7085469825a(23) =7520472225