Perimeter of the Sierpiński carpet at iteration n.

A381517

Perimeter of the Sierpiński carpet at iteration n.

Terms

    a(0) =4a(1) =16a(2) =80a(3) =496a(4) =3536a(5) =26992a(6) =212048a(7) =1684720a(8) =13442768a(9) =107437168a(10) =859182416a(11) =6872514544a(12) =54977282000a(13) =439809752944

External references