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%I #12 Oct 18 2023 11:52:39
%S 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,
%T 97,113,131,137,139,151,157,173,179,191,193,197,199,211,223,227,229,
%U 233,239,241,251,257,263,269,271,277,281,283,293,311,313,317
%N Primes with property that all even digits occur together and all odd digits occur together.
%H Robert Israel, <a href="/A030475/b030475.txt">Table of n, a(n) for n = 1..10000</a>
%p filter:= proc(n) local L; L:= convert(n,base,10) mod 2;
%p not member(-1,L[1..-2]-L[2..-1])
%p end proc:
%p select(filter, [seq(ithprime(i),i=1..1000)]);
%t With[{upto=100},Select[Prime[Range[upto]],Length[SplitBy[IntegerDigits[#],Mod[#,2]&]]<3&]] (* _Paolo Xausa_, Oct 18 2023 *)
%Y Cf. A030476, A030480.
%K nonn,base
%O 1,1
%A _Patrick De Geest_
%E Offset changed by _Robert Israel_, Oct 17 2023
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