Numbers k such that k^2 divides 3*Fibonacci(k).

Terms

a(0) =1a(1) =12a(2) =36a(3) =612a(4) =684a(5) =3852a(6) =11628a(7) =25308a(8) =41004a(9) =65484a(10) =73188a(11) =77292a(12) =155268a(13) =156636a(14) =250308a(15) =430236a(16) =467172a(17) =545148a(18) =562428a(19) =779076a(20) =977364a(21) =1244196a(22) =1313964a(23) =1847484a(24) =2123028a(25) =2185452a(26) =2621196a(27) =2639556a(28) =2662812a(29) =2707956