%I #11 Apr 21 2021 04:25:15

%S 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,26,27,

%T 28,29,31,35,36,38,39,40,41,42,44,45,46,47,48,51,52,53,54,55,57,58,59,

%U 62,65,66,67,69,70,71,72,73,76,77,78,79,80

%N Numbers whose base-5 run lengths form a palindrome.

%Y Cf. A007091.

%K nonn,base

%O 1,2

%A _Clark Kimberling_