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A112747 Smallest prime of the form 2 followed by n copies of k. 0
23, 211, 2111, 23333, 22121212121, 2999999, 29999999, 21313131313131313, 2777777777, 23333333333, 23333333333333333333333, 2111111111111, 2201201201201201201201201201201201201201, 23131313131313131313131313131 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

a(3) = 2111, 2 followed by three copies of 1.

CROSSREFS

Sequence in context: A165243 A142374 A171342 * A201831 A027481 A201211

Adjacent sequences:  A112744 A112745 A112746 * A112748 A112749 A112750

KEYWORD

base,nonn,dumb

AUTHOR

Amarnath Murthy, Jan 02 2006

EXTENSIONS

More terms from Jon E. Schoenfield, May 27 2010

STATUS

approved

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Last modified May 31 07:30 EDT 2020. Contains 334747 sequences. (Running on oeis4.)