Numbers k such that 25*k+1 is a square.

Terms

a(0) =0a(1) =23a(2) =27a(3) =96a(4) =104a(5) =219a(6) =231a(7) =392a(8) =408a(9) =615a(10) =635a(11) =888a(12) =912a(13) =1211a(14) =1239a(15) =1584a(16) =1616a(17) =2007a(18) =2043a(19) =2480a(20) =2520a(21) =3003a(22) =3047a(23) =3576a(24) =3624a(25) =4199a(26) =4251a(27) =4872a(28) =4928a(29) =5595