login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A054261 Smallest number that contains the first n primes as substrings. 8

%I

%S 2,23,235,2357,112357,113257,1131725,113171925,1131719235,

%T 113171923295,113171923295,1131719237295,11317237294195,

%U 1131723294194375,113172329419437475,1131723294194347537,113172329419434753759

%N Smallest number that contains the first n primes as substrings.

%C The version that allows substrings to go from left to right or right to left is A240959. - _Dmitry Kamenetsky_, Oct 07 2015

%H Anders Kaseorg, <a href="/A054261/b054261.txt">Table of n, a(n) for n = 1..510</a>

%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_408.htm">Puzzle 408. First primes embedded in the smallest number</a>

%Y Cf. A054260, A035239, A240959.

%K nonn,base,nice

%O 1,1

%A _Patrick De Geest_, Feb 15 2000

%E More terms from _Naohiro Nomoto_, Jul 26 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 27 03:50 EST 2020. Contains 332299 sequences. (Running on oeis4.)