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The palindromic Belphegor numbers https://oeis.org/A232449 https://oeis.org/A232449 Indices of Belphegor primes: numbers k such that the decimal number https

by shagie 2y ago

The palindromic Belphegor numbers https://oeis.org/A232449 https://oeis.org/A232449 Indices of Belphegor primes: numbers k such that the decimal number https://oeis.org/A232448 https://oeis.org/A232448