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%I #19 Mar 20 2021 11:04:27
%S 2,41,61,83,281,487,683,881,2887,4889,6883,8887,46889,48883,68881,
%T 88883,468883,688861,688889,888887,2888887,4888889,8868887,28886881,
%U 28888883,48888887,88888867,88888883,288888889,668888887,688888883,888888883
%N Prime numbers, with a(1)=2, a(n+1) = least prime such that (sum of even digits of a(n)) < (sum of even digits of a(n+1)).
%t f[n_] := Block[{m = Total@ Select[ IntegerDigits@ n, EvenQ], p = 2}, While[ Total@ Select[ IntegerDigits@ p, EvenQ] <= m, p = NextPrime@ p]; p]; NestList[f, 2, 31] (* _Robert G. Wilson v_, Jun 23 2014 *)
%Y Cf. A000040.
%K nonn,base,less
%O 1,1
%A _Juri-Stepan Gerasimov_, Mar 12 2009, Mar 18 2009
%E Definition corrected by _N. J. A. Sloane_, Mar 19 2009
%E a(12) from _Alvin Hoover Belt_, May 20 2009
%E Definition clarified by _D. S. McNeil_, Dec 10 2009
%E Missing values 683 and 8887 inserted and extended by _D. S. McNeil_, Dec 10 2009
%E a(26) - a(32) from _Robert G. Wilson v_, Jun 23 2014
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