Proof step

Ore-algebra identity of two definitions

All-n equality of two definitions

Concludes: derivative of basis_map_A008277 of a(n) = 1 if n is of the form m(m+3)/2, otherwise 0.
Premises: none: a direct theorem check
Theorem: polytool ?
Checked: polytool replayed · Lean not attempted

Technical details

Step id

e-13e5451e4bd6e7bd · JSON

Operation

All-n equality of two definitions

{
  "operation": "definition_equality"
}

Claims

Certificate

definition_equality, SHA-256 c556829046ed0482d43845dd59e0406bc557712c578dcaf8d8bd6268a5eee000, 8,340 bytes (2,069 compressed); download

polytool replayed the certificate when the step was written.