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Numbers whose base-3 expansions, read from left to right, have run lengths that strictly increase.
0

%I #6 Oct 13 2019 16:44:22

%S 0,1,2,4,8,9,13,17,18,22,26,27,40,53,54,67,80,81,108,121,134,161,162,

%T 202,216,229,242,243,256,269,324,364,404,459,472,485,486,499,512,594,

%U 607,620,648,688,728,729,769,809,972,1053,1093,1133,1214,1377,1417

%N Numbers whose base-3 expansions, read from left to right, have run lengths that strictly increase.

%Y Cf. A037015, A043692, A043706, A044814, A044952.

%K nonn,base

%O 0,3

%A _Patrick De Geest_, Feb 15 1999