Denominators of 1/16 - 1/(4 + 8*n)^2.

Terms

a(0) =1a(1) =18a(2) =50a(3) =49a(4) =81a(5) =242a(6) =338a(7) =225a(8) =289a(9) =722a(10) =882a(11) =529a(12) =625a(13) =1458a(14) =1682a(15) =961a(16) =1089a(17) =2450a(18) =2738a(19) =1521a(20) =1681a(21) =3698a(22) =4050a(23) =2209a(24) =2401a(25) =5202a(26) =5618a(27) =3025a(28) =3249a(29) =6962