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A265043 The n-th Champernowne prime (A176942) is found by concatenating the successive digits of the numbers 1,2,3,...,a(n) and possibly dropping some of final digits of a(n). 2
10, 12, 17, 115, 971, 1364, 9711 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

The third Champernowne prime A176942(3) = 123456789101112131415161 is obtained by concatenating the digits of the numbers 1,2,3,4,...,17, and then dropping the final digit; thus a(3) = 17.

CROSSREFS

See A176942 for the Champernowne primes, A071620 for number of digits.

See also A007908.

Sequence in context: A063096 A270819 A031183 * A158871 A247626 A247627

Adjacent sequences:  A265040 A265041 A265042 * A265044 A265045 A265046

KEYWORD

nonn,more,base

AUTHOR

N. J. A. Sloane, Dec 26 2015

STATUS

approved

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Last modified September 16 02:16 EDT 2019. Contains 327088 sequences. (Running on oeis4.)