id:A139750 - OEIS Search Results

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Numbers n such that d_1^1 + ... + d_r^r is a prime number, where d_i are the digits of n (n = concatenation of d_1, d_2, ..., d_r).

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	OFFSET	`1,1`
	CROSSREFS	`Cf. A139752.` `Sequence in context: A119251 A028835 A028834 this_sequence A139749 A165132 A039715` `Adjacent sequences: A139747 A139748 A139749 this_sequence A139751 A139752 A139753`
	KEYWORD	`base,easy,nonn,less`
	AUTHOR	`Ctibor O. Zizka (ctibor.zizka(AT)seznam.cz), May 19 2008`
	EXTENSIONS	`Edited and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 21 2008`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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