Numbers n such that at least one member of Collatz (3x+1) trajectory of n is >= n^2.

Terms

a(0) =1a(1) =3a(2) =7a(3) =27a(4) =31a(5) =41a(6) =47a(7) =54a(8) =55a(9) =62a(10) =63a(11) =71a(12) =73a(13) =82a(14) =83a(15) =91a(16) =94a(17) =95a(18) =6631675a(19) =7460635a(20) =319804831a(21) =379027947a(22) =426406441a(23) =479707247a(24) =568541921a(25) =598957743a(26) =639609662a(27) =639609663a(28) =719560871a(29) =758055894