OFFSET
1,1
COMMENTS
From Carmine Suriano, Jan 25 2011: (Start)
Can be obtained from the following sieve: consider the list of all primes, at step n remove the prime(n)-th number in the list, compact and restart.
a(n) can be approximated by 3*n^2/5000 + 9.124*n - 285.77. (End)
LINKS
Carmine Suriano, Table of n, a(n) for n = 1..2173
MATHEMATICA
t=Table[Prime[Prime[n]+n-1], {n, 20}]; Complement[Prime[Range[PrimePi[t[[-1]]]]], t]
Table[NextPrime[n, n], {n, 100}] (* Wesley Ivan Hurt, Mar 12 2019 *)
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
Amarnath Murthy and Jason Earls, Jul 12 2003
EXTENSIONS
Edited by Don Reble, Mar 14 2006
STATUS
approved