1,1
a(7) = 91 since 91 starts the length-7 prime pattern "ccccccp" (six composites followed by one prime), and all other possible length-7 prime patterns start with a number smaller than 91.
Cf. A023192.
Sequence in context: A116030 A116020 A064393 this_sequence A063907 A056166 A093771
Adjacent sequences: A035323 A035324 A035325 this_sequence A035327 A035328 A035329
nonn
David W. Wilson (davidwwilson(AT)comcast.net)
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