id:A083964 - OEIS Search Results

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Smallest palindromic multiple of 2n-1 beginning with the digit string of 2n-1; or 0 if no such number exists, e.g. for a multiple of 5 or for n = (5k+1)/2.

+0
2

1, 3, 5, 7, 9, 11, 131131, 0, 174471, 1911191 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Conjecture: If n is not of the type (5k+1)/2 then a(n) is not zero.`
	CROSSREFS	`Cf. A083965.` `Sequence in context: A061507 A046497 A061512 this_sequence A131628 A079091 A038663` `Adjacent sequences: A083961 A083962 A083963 this_sequence A083965 A083966 A083967`
	KEYWORD	`base,more,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 20 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research