List of permutations of 1,2,3,...,n for n=1,2,3,..., in lexicographic order.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =1a(5) =1a(6) =2a(7) =3a(8) =1a(9) =3a(10) =2a(11) =2a(12) =1a(13) =3a(14) =2a(15) =3a(16) =1a(17) =3a(18) =1a(19) =2a(20) =3a(21) =2a(22) =1a(23) =1a(24) =2a(25) =3a(26) =4a(27) =1a(28) =2a(29) =4