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A046436 6 steps needed to reach a prime under "Sum of digits raised to its digits' powers" procedure. 1
178, 179, 187, 197, 199, 267, 276, 278, 287, 335, 353, 367, 376, 388, 467, 476, 533, 557, 575, 627, 637, 647, 672, 673, 674, 708, 709, 718, 719, 726, 728, 736, 746, 755, 762, 763, 764, 779, 780, 781, 782, 790, 791, 797, 807, 817, 827, 838, 870, 871, 872 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

CROSSREFS

Cf. A046431.

Sequence in context: A189904 A189160 A053018 * A114081 A217037 A224600

Adjacent sequences:  A046433 A046434 A046435 * A046437 A046438 A046439

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jul 15 1998

STATUS

approved

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Last modified June 14 14:21 EDT 2021. Contains 345025 sequences. (Running on oeis4.)