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!)
A090231 Largest prime as a concatenation in decreasing order of primes starting with prime(n). 0
2, 3, 53, 7, 11, 13, 171311753, 19, 23, 292319, 31, 3731292319, 41, 4341373129, 47, 5347, 5953474341373129, 615953474341, 6761, 71, 7371676159, 797371676159, 837973716761, 8983797371676159534743413731292319171311753, 97, 101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..26.

EXAMPLE

a(3) = 53 as 532 is not a prime.

CROSSREFS

Sequence in context: A337057 A193332 A192182 * A202701 A342408 A062641

Adjacent sequences:  A090228 A090229 A090230 * A090232 A090233 A090234

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 26 2003

EXTENSIONS

More terms from David Wasserman, Oct 20 2005

STATUS

approved

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 October 27 10:47 EDT 2021. Contains 348274 sequences. (Running on oeis4.)