Numbers k such that antisigma(k) mod k = antisigma(k+1) mod (k+1).

Terms

a(0) =1a(1) =8a(2) =27a(3) =3115a(4) =3451a(5) =4725a(6) =10611a(7) =15951a(8) =20155a(9) =27643a(10) =74875a(11) =2767675a(12) =18390564a(13) =27923284a(14) =50293331a(15) =425018875a(16) =897002491a(17) =10561657872a(18) =15193530235a(19) =20939306635a(20) =40882585915a(21) =80585844499