%I #7 Oct 27 2019 00:30:54
%S 29,92,156,165,234,243,268,286,288,324,342,423,432,506,516,560,561,
%T 605,615,628,650,651,682,688,826,828,862,868,882,886,1035,1049,1053,
%U 1094,1135,1149,1153,1194,1256,1265,1305,1315,1350,1351,1409,1419,1447,1455
%N 7 steps needed to reach a prime under "Sum of digits raised to its digits' powers" procedure.
%Y Cf. A046431.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Jul 15 1998
