A110894 - OEIS
9, 5, 4, 4, 9, 9, 7, 3, 6, 1, 0, 3, 6, 4, 1, 5, 8, 5, 5, 9, 9, 4, 3, 4, 7, 2, 5, 6, 6, 6, 9, 3, 3, 1, 2, 5, 0, 5, 6, 4, 4, 7, 5, 5, 2, 5, 9, 6, 6, 4, 3, 1, 3, 2, 0, 3, 2, 6, 6, 7, 9, 9, 9, 7, 3, 9, 0, 4, 7, 4, 1, 9, 2, 9, 4
MATHEMATICA
RealDigits[Erf[Sqrt[2]], 10, 50][[1]] (* G. C. Greubel, Oct 19 2017 *)