id:A061280 - OEIS Search Results

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Smallest base b for which b^n contains n as a substring.

+0
1

10, 5, 7, 7, 5, 2, 3, 7, 3, 2, 11, 7, 6, 25, 7, 11, 4, 8, 5, 7, 6, 6, 6, 3, 4, 9, 17, 3, 6, 13, 8, 5, 8, 5, 2, 2, 2, 8, 6, 6, 5, 4, 7, 2, 6, 9, 8, 6, 2, 4, 2, 8, 6, 5, 5, 5, 3, 8, 4, 2, 3, 3, 6, 5, 6, 12, 2, 6, 3, 5, 3, 2, 2, 6, 5, 6, 3, 3, 4, 3, 4, 2, 3, 4, 2, 4, 3, 7, 2, 8, 8, 4, 2, 6, 3, 4, 7, 6, 7, 7 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(3)=7 since 7^1 contains no 1 and 7^2 contains no 2, but 7^3 contains a 3.`
	CROSSREFS	`Sequence in context: A066578 A097327 A007272 this_sequence A030071 A147653 A152611` `Adjacent sequences: A061277 A061278 A061279 this_sequence A061281 A061282 A061283`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Erich Friedman (efriedma(AT)stetson.edu), Jun 06 2001`

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

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