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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. 0
1, 2, 42, 521, 4624, 347352 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 24 20:43 EDT 2021. Contains 347651 sequences. (Running on oeis4.)