A140170 Numbers n such that n=s^pi(d_1)+s^pi(d_2)+...+s^pi(d_k) where s is sum of its digits and d_1d_2...d_k is the decimal expansion of n.

1, 2, 42, 521, 4624, 347352

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Example

4624=(4+6+2+4)^pi(4)+(4+6+2+4)^pi(6)+(4+6+2+4)^pi(2)+(4+6+2+4)^pi(4).

Crossrefs

Cf. A140175.

Sequence in context: A229474 A157056 A180425 * A318247 A038396 A287328

Adjacent sequences: A140167 A140168 A140169 * A140171 A140172 A140173

Keyword

base,fini,full,nonn

Author

Farideh Firoozbakht, May 20 2008

Status

approved