

A228271


Primefree centuries such that the next century is also primefree.


0



473267, 1919128, 2131583, 2390652, 2844914, 2982584, 3909324, 4280455, 4658285, 4728653, 5165402, 5254365, 5369468, 5458298, 5551421, 5647232, 5817553, 6070101, 6334188, 6495802, 6877047, 7027013, 7074295, 7087303, 7157062, 7369010, 7392411, 7946633, 8469597
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OFFSET

1,1


LINKS



EXAMPLE

473267 is in the sequence because there is no prime between 47326699 and 47326900.


PROG

(PARI) d=100; for(n=1, 10^7, if(nextprime(d*n)>d*(n+2), print1(n, ", ")));


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



