A115290 Decimal expansion of Integral_{x>=0} erf(x)^3/(e^(2*x^2)*x) dx.

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

Offset

0,2

Links

Table of n, a(n) for n=0..104.

Eric Weisstein's World of Mathematics, Hypercube Line Picking

Example

0.12947724200657085786...

Mathematica

Clear[f]; f[n_] := f[n] = RealDigits[ NIntegrate[ Erf[x]^3/(E^(2*x^2)*x), {x, 0, n}, WorkingPrecision -> 110], 10, 105] // First; f[10]; f[n = 20]; While[ f[n] != f[n-10], n = n+10]; A115290 = f[n] (* Jean-François Alcover, Feb 07 2013 *)

Crossrefs

Sequence in context: A275807 A202324 A199267 * A273842 A371852 A021343

Adjacent sequences: A115287 A115288 A115289 * A115291 A115292 A115293

Keyword

nonn,cons

Author

Eric W. Weisstein, Jan 19 2006

Status

approved