

A122713


Least prime P1 of 8 different primes: 4 consecutive primes P1 P2 P3 P4 and 4 primes Q1 Q2 Q3 Q4 such that Q1 with same digits than P1 if not 6 or 9, if 6 then replace with 9 and if 9 then replace with 6, same for Q2 from P2 Q3 from P3 and Q4 from P4.


0



4651, 16417, 16421, 16661, 56443, 60601, 61643, 65701, 71633, 71647, 106433, 163861, 169567, 172663, 205651
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..15.


EXAMPLE

4651, 4657, 4663, 4673 consecutive primes 4951, 4957, 4993, and 4973 are primes.


CROSSREFS

Sequence in context: A227482 A028551 A031615 * A235235 A118815 A235183
Adjacent sequences: A122710 A122711 A122712 * A122714 A122715 A122716


KEYWORD

base,nonn


AUTHOR

Pierre CAMI, Sep 23 2006


EXTENSIONS

Corrected by T. D. Noe, Nov 16 2006


STATUS

approved



