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A046441 Never reaches a prime under "Sum of digits raised to its digits' powers" procedure. 1
1, 2, 4, 6, 17, 25, 39, 46, 52, 58, 64, 66, 70, 71, 85, 88, 93, 102, 104, 107, 112, 114, 117, 120, 121, 140, 141, 169, 170, 171, 177, 188, 196, 200, 201, 210, 211, 228, 233, 235, 239, 253, 256, 258, 265, 279, 282, 285, 293, 297, 323, 325, 329, 332, 345, 352 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..56.

CROSSREFS

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

Sequence in context: A070325 A199578 A294920 * A192335 A334390 A067993

Adjacent sequences:  A046438 A046439 A046440 * A046442 A046443 A046444

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jul 15 1998

STATUS

approved

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Last modified June 17 19:57 EDT 2021. Contains 345085 sequences. (Running on oeis4.)