festival forward path.json

{
  "weights": [
    30,
    29,
    28,
    27,
    26,
    25,
    24,
    10
  ],
  "prefix_counts": [
    0,
    30,
    59,
    87,
    114,
    140,
    165,
    189,
    199
  ],
  "BC": [
    1859,
    1649,
    1446,
    1250,
    1061,
    879,
    704,
    536,
    466
  ],
  "prefix_formula_first7": "30k\u2212k(k\u22121)/2"
}