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Strange. In the article A138563 is described as a sequence of prime numbers that contain the substring 667. But these are obviously not prime numbers. Having a
by hwd 8mo ago
Strange. In the article A138563 is described as a sequence of prime numbers that contain the substring 667. But these are obviously not prime numbers. Having a look at https://oeis.org/A138563 https://oeis.org/A138563 reveals that these are simply any numbers containing the substring.
- tomtomtom777 8mo agoWell, they do mention they are looking up whether it exists during the interview, so it's a forgivable mistake.
- bombcar 8mo agohttps://oeis.org/A321001 https://oeis.org/A321001 is what they wanted, obviously easy to get them confused.