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A105304 Primes formed by reverse concatenation of 4 consecutive triangular numbers. 0
10631, 13612010591, 2926285027752701, 4656456044654371, 13530133661320313041, 29890296462940329161, 34980347163445334191, 40755404704018639903, 52650523265200351681, 52975526505232652003 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

a(1)=10631 because 10631 is the prime formed by reverse concatenation of 4consecutive triangular numbers i.e. 1,3,6 and 10.

CROSSREFS

Sequence in context: A031864 A184092 A110018 * A009421 A013817 A013904

Adjacent sequences:  A105301 A105302 A105303 * A105305 A105306 A105307

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Apr 25 2005

STATUS

approved

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Last modified September 23 06:33 EDT 2014. Contains 247100 sequences.