A020787 Decimal expansion of 1/sqrt(30).

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