Proof step e-cd46c8ba2133c8f0

definition_equality → concludes about basis_map_A007318 of Triangle read by rows: T(n,k) number of tilings of a 2n X 3 grid by dominoes, 2k of which are in a vertical position (0<=k<=n). JSON

Theorem

Ore-algebra identity of two definitions polytool ?

Operation

All-n equality of two definitions

{
  "operation": "definition_equality"
}

Premises

None: this step is a direct theorem check.

Claims

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: definition_equality, SHA-256 bdaaa109a1e86c6d34aaa5c5aeeb45d3baa7f74e56b79377ef96f21abb1e9067, 18,390 bytes (3,770 compressed); download JSON