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A172374 The first number generating n primes through the concatenation of numbers increasing in minimal increments in the quickest way. 0
2, 278, 1826, 4498070, 2645182700 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Analogous to A152396 with increments replacing decrements.

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

278279 and 278279280281 are prime and no number <278 gives primes when treated similarly. Concatenation of 2, 4, 8, 10, and 14 numbers give primes beginning with 2645182700.

CROSSREFS

A152396

Sequence in context: A215043 A119553 A093938 * A231041 A080296 A260331

Adjacent sequences:  A172371 A172372 A172373 * A172375 A172376 A172377

KEYWORD

base,nonn

AUTHOR

James G. Merickel, Feb 01 2010

STATUS

approved

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Last modified December 9 06:30 EST 2016. Contains 278963 sequences.