Proof step

Geometric basis map (elementary)

Image under a basis map u^k -> P_k A013611

Concludes
basis_map_A013609 of basis_map_A013611 of Triangle of coefficients in expansion of (1+2*x)^n.
Premises
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-18451c806ea01354 · JSON
Operation
Image under a basis map u^k -> P_k
{
  "map": "A013611",
  "operation": "basis_map"
}
Claims
{
  "claim": "real_rooted",
  "from_index": 0,
  "region": {
    "upper": {
      "closed": true,
      "value": "0"
    }
  }
}
Certificate
basis_map, SHA-256 9a5ea791322c8adc50208fa39f9b1a07467d374e29402ae1ec5d582c1a765878, 6,859 bytes (1,389 compressed); download
polytool replayed the certificate when the step was written.
Cited by