A140170 - OEIS

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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.

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

	OFFSET	`1,2`
	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: A070808 A157056 A180425 * A038396 A162678 A177456` `Adjacent sequences: A140167 A140168 A140169 * A140171 A140172 A140173`
	KEYWORD	`base,fini,full,nonn`
	AUTHOR	`Farideh Firoozbakht (mymontain(AT)yahoo.com), May 20 2008`

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Last modified February 14 17:44 EST 2012. Contains 205651 sequences.