Digit

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Contents

• Reversal of every multiple in an arbitrary base
• Dynamical directions in numeration
• Bogdanov, reversible XOR triangles
• OEIS A133901
• OEIS A103585
• Erdős’s reminiscence of Mahler’s binary-digit square problem
• OEIS A254074
• Squares with three digits: prefix closure
• Hanna’s three residues modulo five
• OEIS A394431
• The zero-sum digit-count characterization
• OEIS A329278
• OEIS A329479
• Kagey, OEIS A334595
• OEIS A284005: binary-weight products
• Kreh’s minimal sets
• OEIS A284005: Kurkov’s lower-bit recurrence
• OEIS A006068: inverse Gray code
• OEIS A193020
• Canonical Fibonacci digits and circle phases
• Complexity of linear subsequences of Fibonacci-automatic sequences
• OEIS A110454
• The seventeen-times containment question
• Seven and five versus binary carryless multiplication
• Binary carryless multiplier conditions
• Carryless multiplier containment
• Onnis’s square convergence prohibition
• Outgoing digit-sum arcs
• OEIS A239907: alternating overlapping one-block counts
• OEIS A059894
• OEIS A249621
• Permutation-Invariant Niven Numbers
• OEIS A090079, binary run compression
• OEIS A163617
• OEIS A030101: binary digit reversal