Superpermutation Almanac

Bounds

S(11) ≥ 43,917,904

Holds for
n = 11
Announced
Nov 10, 2026
Proof
Lean proof
Points
0.0

By William Echols.

Evidence

Proof check

kernel-checked

Checked
Nov 10, 2026
Lean version
leanprover/lean4:v4.35.0
Mathlib commit
56a005855ea17e0b0958f73ec801ae140b0a1679
lean4checker
lean4-bundled@eb6cafb7290e8bd5f2937522d8d804f58f02bafc
nanoda
lean4-bundled@eb6cafb7290e8bd5f2937522d8d804f58f02bafc

build 978 s, peak 8.7 GB

Result 1 of batch L-0024, theorem lower_eleven, checked in attempt 1: AlmanacSolution.lean, line 8.

theorem lower_eleven : Almanac.LowerBoundAt 11 43917904

Repository at the checked commit · Repository archive (9.8 MB)