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A144573 Smallest prime greater than nonprime(prime(n)). 0
2, 5, 11, 11, 17, 23, 29, 29, 37, 41, 47, 53, 59, 59, 67, 73, 83, 83, 97, 97, 97, 107, 113, 127, 127, 137, 137, 149, 149, 149, 167, 173, 179, 179, 191, 197, 211, 211, 223, 223, 227, 233, 251, 251, 251, 257, 269, 283, 293, 293, 307, 307, 307, 317, 331, 331, 337 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

FORMULA

a(n) = A007918(A141468(A000040(n))).

EXAMPLE

Nonprime(prime(1)) = nonprime(2) = 1, so a(1) = 2 (the next prime after 1). Nonprime(prime(2)) = nonprime(3) = 4, so a(2) = 5 (next prime after 4).

CROSSREFS

Sequence in context: A069162 A300677 A079008 * A062251 A091114 A155767

Adjacent sequences:  A144570 A144571 A144572 * A144574 A144575 A144576

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Jan 06 2009

EXTENSIONS

Corrected by Charles R Greathouse IV, Mar 29 2010

STATUS

approved

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Last modified March 23 02:42 EDT 2019. Contains 321422 sequences. (Running on oeis4.)