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A113911 Prime numbers not appearing in the nextprime(x^2) sequence A007491. 0
3, 7, 13, 19, 23, 31, 41, 43, 47, 59, 61, 71, 73, 79, 89, 97, 103, 107, 109, 113, 131, 137, 139, 151, 157, 163, 167, 179, 181, 191, 193, 199, 211, 223, 229, 233, 239, 241, 251, 263, 269, 271, 277, 281, 283, 307, 311, 313, 317, 337, 347, 349, 353, 359, 373, 379 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

FORMULA

a(n) ~ n log n. - Charles R Greathouse IV, Apr 09 2013

MATHEMATICA

Complement[ Prime@Range@75, Prime[ PrimePi[ Range@19^2] + 1]] (* Robert G. Wilson v *)

PROG

(PARI) is(n)=isprime(n)&&n>nextprime(sqrtint(n)^2) \\ Charles R Greathouse IV, Apr 09 2013

CROSSREFS

Sequence in context: A133387 A105399 A133261 * A051635 A136009 A216098

Adjacent sequences:  A113908 A113909 A113910 * A113912 A113913 A113914

KEYWORD

nonn,easy

AUTHOR

Jorge Coveiro, Jan 29 2006

EXTENSIONS

More terms from Robert G. Wilson v, Jan 30 2006

STATUS

approved

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)