[seqfan] Re: A178000

Hans Havermann gladhobo at bell.net
Wed Mar 21 00:30:13 CET 2018

> I don't understand why 29 is a term.

It's the second term, so we want the largest 2-digit prime with the most number of digits 2. For primes > 2, 2 can never be the final digit, so our candidates here are 21-29; therefore 23 or 29; therefore 29.

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