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A046437 7 steps needed to reach a prime under "Sum of digits raised to its digits' powers" procedure. 1
29, 92, 156, 165, 234, 243, 268, 286, 288, 324, 342, 423, 432, 506, 516, 560, 561, 605, 615, 628, 650, 651, 682, 688, 826, 828, 862, 868, 882, 886, 1035, 1049, 1053, 1094, 1135, 1149, 1153, 1194, 1256, 1265, 1305, 1315, 1350, 1351, 1409, 1419, 1447, 1455 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

CROSSREFS

Cf. A046431.

Sequence in context: A039416 A043239 A044019 * A044216 A044597 A138625

Adjacent sequences:  A046434 A046435 A046436 * A046438 A046439 A046440

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jul 15 1998

STATUS

approved

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Last modified June 24 01:56 EDT 2021. Contains 345404 sequences. (Running on oeis4.)