n such that A275391(n) = n-2.

Terms

a(0) =5a(1) =13a(2) =17a(3) =139a(4) =173a(5) =179a(6) =467a(7) =907a(8) =1553a(9) =1619a(10) =1867a(11) =2099a(12) =2819a(13) =2957a(14) =3203a(15) =3779a(16) =3947a(17) =4139a(18) =4157a(19) =4283a(20) =4547a(21) =4723a(22) =5483a(23) =6653a(24) =6899a(25) =7013a(26) =7187a(27) =7523a(28) =7643a(29) =8147