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).

2420, 2421, 3602725959565

Offset

1,1

Links

Table of n, a(n) for n=1..3.

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: A237940 A097030 A204367 * A254901 A254908 A257203

Adjacent sequences: A131756 A131757 A131758 * A131760 A131761 A131762

Keyword

fini,full,nonn,base,bref

Author

Tanya Khovanova and Alexey Radul, Sep 17 2007

Status

approved