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A269263
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Primes 10k + 9 at the end of the maximal gaps in A269261.
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3
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29, 59, 349, 1229, 3889, 13619, 15139, 25169, 50789, 90989, 91909, 167729, 422029, 436279, 528289, 623669, 1676569, 5734439, 9691439, 31068619, 35902579, 40296209, 47436509, 59136419, 156736049, 283375579, 410705059, 603776759, 1008310249, 1036102069, 1639287019
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OFFSET
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1,1
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COMMENTS
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A269261 lists the corresponding record gap sizes. See more comments there.
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LINKS
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EXAMPLE
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The first two primes of the form 10k + 9 are 19 and 29, so a(1)=29. The next prime of this form is 59 and the gap 59-29=30 is a new record, so a(2)=59.
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PROG
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(PARI) re=0; s=19; forprime(p=29, 1e8, if(p%10!=9, next); g=p-s; if(g>re, re=g; print1(p", ")); s=p)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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