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A131759 Numbers n such that if for every digit K of n you calculate prime(K)^K and sum for all digits you get n (assumes that prime(0)^0 = 1). +0
1
2420, 2421, 3602725959565 (list; graph; listen)
OFFSET

1,1

EXAMPLE

2421 is in the sequence because prime(2)^2 + prime(4)^2 + prime(2)^2 + prime(1)^1 = 3^2 + 7^4 + 3^2 + 2^1 = 2421.

CROSSREFS

Sequence in context: A031547 A031727 A097030 this_sequence A078868 A032734 A083625

Adjacent sequences: A131756 A131757 A131758 this_sequence A131760 A131761 A131762

KEYWORD

fini,full,nonn,base,bref

AUTHOR

Tanya Khovanova and Alexey Radul (tanyakh(AT)yahoo.com), Sep 17 2007

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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