[seqfan] A new sequence?

Claudio Meller claudiomeller at gmail.com
Wed Feb 5 14:58:27 CET 2014


I saw this sequence in
https://groups.yahoo.com/neo/groups/primenumbers/conversations/topics/25454

a[n] is the smallest prime that remains prime for precisely n times when
its final decimal digit is repeated.

31, 19, 23, 139, 6089, 40949, 13153513, 748105003, 11307204673,
202073177599



-- 
Claudio Meller
http://grageasdefarmacia.blogspot.com
http://todoanagramas.blogspot.com/
http://simplementenumeros.blogspot.com/


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