A099288 Decimal expansion of the imaginary error function at 1.

1, 6, 5, 0, 4, 2, 5, 7, 5, 8, 7, 9, 7, 5, 4, 2, 8, 7, 6, 0, 2, 5, 3, 3, 7, 7, 2, 9, 5, 6, 1, 3, 6, 2, 4, 4, 3, 8, 9, 5, 6, 7, 9, 8, 7, 4, 8, 7, 4, 0, 2, 2, 8, 7, 7, 6, 0, 0, 2, 5, 7, 9, 9, 6, 3, 1, 6, 1, 1, 1, 3, 0, 4, 9, 2, 5, 6, 4, 5, 9, 2, 2, 5, 3, 3, 8, 5, 0, 1, 6, 8, 5, 8, 5, 4, 5, 6, 1, 8, 1, 4, 2, 5, 3, 8

Offset

1,2

Links

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Erfi.

Example

1.6504257587975428760253377295613624438956798748740228776002579963...

Maple

evalf(erfi(1), 120);  # Alois P. Heinz, Feb 10 2022

Mathematica

RealDigits[ Erfi[1], 10, 105][[1]]

Prog

(PARI) real(-I*(1.0-erfc(I))) \\ Michel Marcus, Oct 07 2020

Crossrefs

Sequence in context: A200635 A197261 A010773 * A256717 A273487 A134103

Adjacent sequences: A099285 A099286 A099287 * A099289 A099290 A099291

Keyword

cons,nonn

Author

Robert G. Wilson v, Oct 11 2004

Status

approved