 Above, the even means converge to , while the odd means are all equal to 0, so the means "of the means" converge to the average of 0 and , namely .So is (H, 2) summable to .The "H" stands for Otto Hölder, who first proved in 1882 what mathematicians now think of as the connection between Abel summation and (H, "n") summation; was his first example.