Numbers k such that the average of the divisors of k and k+1 is the same.

Terms

a(0) =5a(1) =14a(2) =91a(3) =1334a(4) =1634a(5) =2685a(6) =3478a(7) =5452a(8) =9063a(9) =13915a(10) =16225a(11) =20118a(12) =20712a(13) =33998a(14) =42818a(15) =47795a(16) =64665a(17) =79338a(18) =84134a(19) =103410a(20) =106144a(21) =109214a(22) =111683a(23) =122073a(24) =123497a(25) =133767a(26) =166934a(27) =170884a(28) =203898a(29) =224561