A131436
Sequences linked to this entry ?
-
A131436: Triangle read by rows, (n-1) zeros followed by 2^n - 1.
identification, match triangle
1 · 0, 3 · 0, 0, 7 · 0, 0, 0, 15 … Σ 1, 3, 7, 15, 31, 63, 127, 255, …
Sequences linked to this entry ?