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

Terms

a(0) =1a(1) =12a(2) =24a(3) =168a(4) =552a(5) =2184a(6) =3864a(7) =4872a(8) =13944a(9) =28056a(10) =35448a(11) =47208a(12) =50232a(13) =63336a(14) =70728a(15) =75624a(16) =76728a(17) =112056a(18) =172536a(19) =181272a(20) =224952a(21) =239736a(22) =254472a(23) =287448a(24) =320712a(25) =364728a(26) =381432a(27) =404376a(28) =457608a(29) =460824