Numbers k such that k and k+1 have same sum of divisors.

Terms

a(0) =14a(1) =206a(2) =957a(3) =1334a(4) =1364a(5) =1634a(6) =2685a(7) =2974a(8) =4364a(9) =14841a(10) =18873a(11) =19358a(12) =20145a(13) =24957a(14) =33998a(15) =36566a(16) =42818a(17) =56564a(18) =64665a(19) =74918a(20) =79826a(21) =79833a(22) =84134a(23) =92685a(24) =109214a(25) =111506a(26) =116937a(27) =122073a(28) =138237a(29) =147454