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Problems


ID Description / Title
351
 Hexagonal orchards
352
 Blood tests
353
 Risky moon
354
 Distances in a bee's honeycomb
355
 Maximal coprime subset
356
 Largest roots of cubic polynomials
357
 Prime generating integers
358
 Cyclic numbers
359
 Hilbert's New Hotel
360
 Scary Sphere
361
 Subsequence of Thue-Morse sequence
362
 Squarefree factors
363
 Bézier Curves
364
 Comfortable distance
365
 A huge binomial coefficient
366
 Stone Game III
367
 Bozo sort
368
 A Kempner-like series
369
 Badugi
370
 Geometric triangles
371
 Licence plates
372
 Pencils of rays
373
 Circumscribed Circles
374
 Maximum Integer Partition Product
375
 Minimum of subsequences
376
 Nontransitive sets of dice
377
 Sum of digits, experience 13
378
 Triangle Triples
379
 Least common multiple count
380
 Amazing Mazes!
381
 (prime-k) factorial
382
 Generating polygons
383
 Divisibility comparison between factorials
384
 Rudin-Shapiro sequence
385
 Ellipses inside triangles
386
 Maximum length of an antichain
387
 Harshad Numbers
388
 Distinct Lines
389
 Platonic Dice
390
 Triangles with non rational sides and integral area
391
 Hopping Game
392
 Enmeshed unit circle
393
 Migrating ants
394
 Eating pie
395
 Pythagorean tree
396
 Weak Goodstein sequence
397
 Triangle on parabola
398
 Cutting rope
399
 Squarefree Fibonacci Numbers
400
 Fibonacci tree game