Composite Markoff numbers.

Terms

a(0) =34a(1) =169a(2) =194a(3) =610a(4) =985a(5) =1325a(6) =4181a(7) =6466a(8) =9077a(9) =10946a(10) =14701a(11) =37666a(12) =51641a(13) =62210a(14) =75025a(15) =135137a(16) =195025a(17) =196418a(18) =294685a(19) =499393a(20) =646018a(21) =925765a(22) =1136689a(23) =1278818a(24) =1346269a(25) =1441889a(26) =2012674a(27) =2423525a(28) =3524578a(29) =4400489