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A269262
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Primes 10k + 9 preceding the maximal gaps in A269261.
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3
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19, 29, 269, 1129, 3779, 13499, 14969, 24989, 50599, 90749, 91639, 167449, 421739, 435949, 527929, 623299, 1676069, 5733929, 9690829, 31067999, 35901949, 40295539, 47435809, 59135689, 156735209, 283374709, 410704109, 603775769, 1008309229, 1036100939, 1639285799
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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)=19. The next prime of this form is 59 and the gap 59-29=30 is a new record, so a(2)=29.
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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(s", ")); 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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