0,2

Denominators of expansion of int(exp(-(t^2)/2),t,0..x)= sqrt(Pi/2)*erf(x/sqrt(2)) in powers x^(2*n+1), n>=0. Numerators are (-1)^n. - W. Lang, Jun 29 2007.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Expansion of (1+2x)/(1-2x)^2.

Sequence in context: A138240 A083805 A006387 this_sequence A000683 A084270 A053677

Adjacent sequences: A014478 A014479 A014480 this_sequence A014482 A014483 A014484

nonn

njas