Numbers k such that k and k+2 have the same unitary abundance (A129468).

Terms

a(0) =12a(1) =63a(2) =117a(3) =323a(4) =442a(5) =1073a(6) =1323a(7) =1517a(8) =3869a(9) =5427a(10) =6497a(11) =12317a(12) =18419a(13) =35657a(14) =69647a(15) =79919a(16) =126869a(17) =133787a(18) =151979a(19) =154007a(20) =163332a(21) =181427a(22) =184619a(23) =333797a(24) =404471a(25) =439097a(26) =485237a(27) =581129a(28) =621497a(29) =825497