Number of vertex points in a Sierpinski Carpet grid subdivided into squares: a(n+1) = 8*a(n) - 8*(3^n+1), a(0) = 4.
A293143
Number of vertex points in a Sierpinski Carpet grid subdivided into squares: a(n+1) = 8*a(n) - 8*(3^n+1), a(0) = 4.
Terms
- a(0) =4a(1) =16a(2) =96a(3) =688a(4) =5280a(5) =41584a(6) =330720a(7) =2639920a(8) =21101856a(9) =168762352a(10) =1349941344a(11) =10799058352a(12) =86391049632a(13) =691124145520
External references
- oeis: A293143