trizen 0aac7884c3 new file: oeis-research/Arkadiusz Wesolowski/Numbers k such that phi(binomial(k,2)) is a power of 2/prog.sf 2 years ago
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Numbers k such that phi(binomial(k,2)) is a power of 2 0aac7884c3 new file: oeis-research/Arkadiusz Wesolowski/Numbers k such that phi(binomial(k,2)) is a power of 2/prog.sf 2 years ago