A145422 Decimal expansion of sum_{n=0..infinity} (-1)^n/(2^(3n)*(3n+1)).

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