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A153165 Primes of form 6k+1 that use only digits 2 and 3. 1

%I

%S 223,32233,32323,33223,232333,233323,323233,2332333,2333323,3222223,

%T 3223333,3233323,3332233,22223323,22232233,22232323,23222233,23223223,

%U 23322223,32322223,33222223,223323223,223333333,232232233,232233223

%N Primes of form 6k+1 that use only digits 2 and 3.

%C Corresponding values of k: 37,5372,5387,5537,38722,38887,53872,388722,388887 (A153166).

%Y Cf. A152834 Numbers of form 6k+1 that use only digits 2 and 3.

%K nonn,base

%O 1,1

%A _Zak Seidov_, Dec 20 2008

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Last modified May 9 13:42 EDT 2021. Contains 343742 sequences. (Running on oeis4.)