Denominator of 1/49 - 1/n^2.

Terms

a(0) =1a(1) =3136a(2) =3969a(3) =4900a(4) =5929a(5) =7056a(6) =8281a(7) =196a(8) =11025a(9) =12544a(10) =14161a(11) =15876a(12) =17689a(13) =19600a(14) =441a(15) =23716a(16) =25921a(17) =28224a(18) =30625a(19) =33124a(20) =35721a(21) =784a(22) =41209a(23) =44100a(24) =47089a(25) =50176a(26) =53361a(27) =56644a(28) =1225a(29) =63504