{
  "sage_version": "10.9",
  "origin_checks": [
    {
      "nu": 0,
      "ber_at_zero": 1,
      "exact": true
    },
    {
      "nu": 1,
      "ber_at_zero": 0,
      "exact": true
    },
    {
      "nu": 2,
      "ber_at_zero": 0,
      "exact": true
    }
  ],
  "general_argument": "DLMF 10.65.1: the factor (x/2)^nu tends to zero for every real nu>0 and the remaining series is finite at zero; at nu=0 the constant term is 1."
}