Numbers such that floor(a(n)^2 / 8) is again a square.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =17a(6) =34a(7) =99a(8) =198a(9) =577a(10) =1154a(11) =3363a(12) =6726a(13) =19601a(14) =39202a(15) =114243a(16) =228486a(17) =665857a(18) =1331714a(19) =3880899a(20) =7761798a(21) =22619537a(22) =45239074a(23) =131836323a(24) =263672646a(25) =768398401a(26) =1536796802a(27) =4478554083a(28) =8957108166a(29) =26102926097