Prime powers (A025475) such that the distance to the nearest prime power is an oblong number (A002378).

A239521

Prime powers (A025475) such that the distance to the nearest prime power is an oblong number (A002378).

Terms

    a(0) =25a(1) =27a(2) =2209a(3) =3481a(4) =3721a(5) =6859a(6) =6889a(7) =18769a(8) =22201a(9) =22801a(10) =157609a(11) =1079521a(12) =1630729a(13) =1635841a(14) =2621161a(15) =2627641a(16) =2825761a(17) =3179089a(18) =5257849a(19) =5276209a(20) =7447441a(21) =7458361a(22) =17032129a(23) =17048641a(24) =34304449a(25) =34351321a(26) =40436881a(27) =40462321a(28) =75290329a(29) =75359761

External references