Numbers k such that k^2-1 and k^2 are consecutive powerful numbers.

Terms

a(0) =3a(1) =17a(2) =26a(3) =99a(4) =485a(5) =577a(6) =1351a(7) =3363a(8) =19601a(9) =24335a(10) =70226a(11) =114243a(12) =470449a(13) =665857a(14) =930249a(15) =2862251a(16) =3650401a(17) =3880899a(18) =22619537a(19) =39480499a(20) =130576328a(21) =131836323a(22) =189750626a(23) =456335045a(24) =768398401a(25) =1184384449a(26) =4478554083a(27) =9863382151a(28) =10850138895a(29) =26102926097