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A046441 Never reaches a prime under "Sum of digits raised to its digits' powers" procedure. 1

%I #9 Oct 27 2019 11:52:19

%S 1,2,4,6,17,25,39,46,52,58,64,66,70,71,85,88,93,102,104,107,112,114,

%T 117,120,121,140,141,169,170,171,177,188,196,200,201,210,211,228,233,

%U 235,239,253,256,258,265,279,282,285,293,297,323,325,329,332,345,352

%N Never reaches a prime under "Sum of digits raised to its digits' powers" procedure.

%Y Cf. A046431, A046432, A046433, A046434, A046435, A046436, A046437, A046438, A046439, A046440.

%K nonn,base

%O 1,2

%A _Patrick De Geest_, Jul 15 1998

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Last modified August 11 22:05 EDT 2024. Contains 375076 sequences. (Running on oeis4.)