Proof step

Ore-algebra identity of two definitions

All-n equality of two definitions

Concludes
Triangle, read by rows, of pairwise sums of trinomial coefficients (A027907).
Premises
none: a direct theorem check
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-a80a2aa54b0af22d · JSON
Operation
All-n equality of two definitions
{
  "operation": "definition_equality"
}
Claims
Certificate
definition_equality, SHA-256 14e3f6bc87a4ae42255dce3bc80a4bd7dbcb406bbd91928086e710dbff9198af, 7,837 bytes (2,282 compressed); download
polytool replayed the certificate when the step was written.