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).

10, 12, 17, 115, 971, 1364, 9711

Offset: 1

Author

N. J. A. Sloane, Dec 26 2015

Keywords

• nonn
• more
• base

Examples

			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.