Distribution of nonempty triangles inside a fractal rep-4-tile.

Terms

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