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A083964 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. 1
1, 3, 5, 7, 9, 11, 131131, 0, 174471, 1911191 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: If n is not of the type (5k+1)/2 then a(n) is not zero.

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A083965.

Sequence in context: A061507 A046497 A061512 * A131628 A079091 A191749

Adjacent sequences:  A083961 A083962 A083963 * A083965 A083966 A083967

KEYWORD

base,more,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 20 2003

STATUS

approved

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Last modified May 20 22:49 EDT 2013. Contains 225464 sequences.