Rotate the Sierpinski triangle A047999 counterclockwise by 45 degrees to get a square array; a(n) = period of row n.

A268229

Rotate the Sierpinski triangle A047999 counterclockwise by 45 degrees to get a square array; a(n) = period of row n.

Terms

    a(0) =1a(1) =10a(2) =1100a(3) =1000a(4) =11110000a(5) =10100000a(6) =11000000a(7) =10000000

External references