A101456 Prime digits in the decimal expansion of Euler's constant (or Euler-Mascheroni constant) gamma.

5, 7, 7, 2, 5, 5, 3, 2, 5, 2, 2, 2, 3, 2, 5, 3, 3, 5, 3, 2, 3, 5, 5, 7, 7, 2, 3, 7, 7, 2, 7, 7, 7, 7, 3, 7, 3, 2, 7, 7, 5, 3, 7, 2, 7, 2, 5, 5, 2, 3, 2, 2, 7, 3, 7, 2, 3, 5, 3, 2, 5, 3, 5, 3, 3, 3, 7, 2, 3, 7, 3, 3, 7, 7, 3, 7, 7, 3, 2, 7, 2, 5, 5, 2, 5, 2, 7, 7, 3, 5, 2, 3, 5, 7, 5, 3, 2, 3, 3, 5, 7, 7, 5, 2, 2