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Search: id:A046438
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A046438 8 steps needed to reach a prime under 'Sum of digits raised to its digits powers' procedure. +0
1
55, 155, 226, 244, 247, 255, 262, 274, 424, 427, 442, 472, 505, 515, 525, 550, 551, 552, 622, 724, 742, 1039, 1093, 1139, 1193, 1234, 1238, 1243, 1283, 1309, 1319, 1324, 1328, 1342, 1382, 1390, 1391, 1423, 1432, 1823, 1832, 1903, 1913, 1930, 1931 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Cf. A046431.

Sequence in context: A096664 A067978 A072429 this_sequence A043510 A044387 A044768

Adjacent sequences: A046435 A046436 A046437 this_sequence A046439 A046440 A046441

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1998.

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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