Proof step

Geometric basis map (elementary)

Image under a basis map u^k -> P_k A013610

Concludes
shift_x_plus_one of basis_map_A007318 of Triangle of coefficients in expansion of (1+6x)^n.
Premises
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-c347d7d598992a25 · JSON
Operation
Image under a basis map u^k -> P_k
{
  "map": "A013610",
  "operation": "basis_map"
}
Claims
{
  "claim": "real_rooted",
  "from_index": 0,
  "region": {
    "upper": {
      "closed": true,
      "value": "0"
    }
  }
}
Certificate
basis_map, SHA-256 58f369f3aca841c6d908779200ba83fd0f8e2ccb9880a42e4e4ed3ca6478a06c, 6,860 bytes (1,391 compressed); download
polytool replayed the certificate when the step was written.
Cited by