A139725 Number of digits between successive occurrences of digit 7 in decimal representation of Pi.
15, 9, 7, 8, 9, 29, 2, 20, 18, 16, 9, 42, 14, 7, 2, 6, 45, 10, 1, 4, 13, 22, 7, 53, 1, 4, 16, 9, 12, 5, 4, 4, 6, 2, 7, 19, 31, 1, 3, 3, 7, 2, 0, 6, 1, 5, 1, 6, 6, 17, 11, 0, 2, 0, 4, 1, 0, 6, 3, 1, 1, 30, 4, 3, 49, 0, 1, 0, 10, 1, 13, 2, 10, 2, 63, 9, 3, 7, 14, 1, 0, 5, 15, 5, 17, 1, 3, 4, 0, 4, 0, 6
Offset: 1