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A140174 Numbers n such that n=pi(n)*sum of the digits of n. 1
0, 2, 30, 1122, 24300 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence is a subsequence of A057809. There is no further term up to 16*10^6.

a(6) > 1.4*10^22, if it exists. - Giovanni Resta, Aug 31 2018

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

24300=pi(24300)*(2+4+3+0+0).

CROSSREFS

Cf. A057809, A140173.

Sequence in context: A273661 A322624 A338044 * A246741 A089016 A262004

Adjacent sequences:  A140171 A140172 A140173 * A140175 A140176 A140177

KEYWORD

base,more,nonn

AUTHOR

Farideh Firoozbakht, May 15 2008

STATUS

approved

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Last modified October 17 17:21 EDT 2021. Contains 348065 sequences. (Running on oeis4.)