A333419 Decimal expansion of the error function at 1/2, erf(1/2).

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

Offset: 0

Author

Sean A. Irvine, Mar 20 2020

Keywords

• nonn
• cons

Examples

			0.5204998778130465376827466538919645287364515757579637...
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..10000
• Wikipedia, Error Function.

Crossrefs

Cf. A099286 (erf(1)).

Programs

Maple

evalf(erf(1/2), 140);  # Alois P. Heinz, Mar 20 2020

Mathematica

RealDigits[Erf[1/2], 10, 120][[1]] (* Amiram Eldar, May 31 2023 *)

PARI

1 - erfc(1/2) \\ Michel Marcus, Mar 21 2020