Numbers k such that k and k+1 have the same sum of unitary divisors (A034448).

Terms

a(0) =14a(1) =44a(2) =55a(3) =152a(4) =957a(5) =1334a(6) =1400a(7) =1634a(8) =1652a(9) =2204a(10) =2232a(11) =2295a(12) =2685a(13) =3195a(14) =3451a(15) =3956a(16) =4256a(17) =5547a(18) =7191a(19) =8216a(20) =8495a(21) =8636a(22) =8907a(23) =9144a(24) =9503a(25) =9844a(26) =10152a(27) =11515a(28) =17255a(29) =18423