a(n) is the n-th letter of the infinite word generated from w(1)=1 inductively by w(n)=JUXTAPOSITION{w(n-1),w'(n-1),w"(n-1)}, where w(k) becomes w'(k) by the cyclic permutation 1->2->3->1 and w"(k) = (w')'(k).

A026600

a(n) is the n-th letter of the infinite word generated from w(1)=1 inductively by w(n)=JUXTAPOSITION{w(n-1),w'(n-1),w"(n-1)}, where w(k) becomes w'(k) by the cyclic permutation 1->2->3->1 and w"(k) = (w')'(k).

Terms

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

External references