

A104323


Primes which are the reverse concatenation of four consecutive numbers.


1



10987, 22212019, 86858483, 94939291, 100999897, 106105104103, 112111110109, 122121120119, 124123122121, 146145144143, 184183182181, 226225224223, 232231230229, 244243242241, 274273272271, 332331330329, 362361360359
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OFFSET

1,1


LINKS

Zak Seidov, Table of n, a(n) for n = 1..328


EXAMPLE

The first term is 10987 which is a prime and is the reverse concatenation of 7,8,9 and 10 which are four consecutive numbers.


PROG

(PARI) forstep(n=10, 400, 2, isprime(t=eval(Str(n, n1, n2, n3)))&print1(t", ")) \\ Zak Seidov, May 08 2013


CROSSREFS

Cf. A052089.
Sequence in context: A124668 A270148 A270115 * A252039 A252033 A266983
Adjacent sequences: A104320 A104321 A104322 * A104324 A104325 A104326


KEYWORD

base,nonn


AUTHOR

Shyam Sunder Gupta, Apr 17 2005


STATUS

approved



