OFFSET
1,1
COMMENTS
There are 20053913 possible prime patterns for centuries having 14 primes. - Tim Johannes Ohrtmann, Aug 27 2015
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
EXAMPLE
5 is in this sequence because there are 14 primes between 500 and 599 (503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593 and 599).
MATHEMATICA
Select[Range[20000], PrimePi[100#+99]-PrimePi[100#]==14&] (* Harvey P. Dale, Jun 20 2021 *)
PROG
(PARI) for(n=1, 1e6, if(sum(k=100*n, 100*(n+1), ispseudoprime(k))==14, print1(n", "))); \\ Charles R Greathouse IV, Feb 21 2011
(PARI) N=100; s=0; forprime(p=2, 4e9, if(p>N, if(s==14, print1((N\100)-1, ", ")); s=1; N=100*(p\100+1), s++)) \\ Charles R Greathouse IV, Feb 21 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Tim Johannes Ohrtmann, Feb 20 2011
EXTENSIONS
a(30)-a(39) from Charles R Greathouse IV, Feb 21 2011
STATUS
approved