A035326 Beginning of last prime pattern of length n to appear among positive integers.

4, 8, 9, 24, 25, 90, 91, 114, 143, 143, 205, 205, 1601, 1601, 2327, 2327, 5467, 5467, 18043, 18043, 29381, 29381, 90001, 90001, 3153569, 3153569, 3153569, 3153569, 4647259, 4647259, 74266243, 74266243

Offset

1,1

Links

Table of n, a(n) for n=1..32.

Example

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.

Crossrefs

Cf. A023192.

Sequence in context: A064393 A372034 A173743 * A180865 A063907 A261987

Adjacent sequences: A035323 A035324 A035325 * A035327 A035328 A035329

Keyword

nonn

Author

David W. Wilson

Status

approved