A020776 Decimal expansion of 1/sqrt(19).

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