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A084792 Primes other than prime(prime(n)+n-1). 1
2, 5, 11, 13, 19, 23, 31, 37, 41, 43, 53, 59, 67, 71, 73, 79, 89, 97, 103, 107, 109, 113, 131, 137, 139, 149, 151, 157, 167, 173, 181, 191, 193, 197, 199, 211, 227, 229, 233, 239, 251, 257, 269, 271, 277, 281, 293, 307, 311, 313, 317, 331, 347, 349, 353, 359 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Contribution 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 3n^2/5000+9.124n-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]

CROSSREFS

Sequence in context: A045360 A001915 A127437 * A109640 A191048 A105961

Adjacent sequences:  A084789 A084790 A084791 * A084793 A084794 A084795

KEYWORD

nonn,easy,less

AUTHOR

Amarnath Murthy and Jason Earls, Jul 12 2003

EXTENSIONS

Edited by Don Reble, Mar 14 2006

STATUS

approved

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Last modified January 16 03:30 EST 2019. Contains 319184 sequences. (Running on oeis4.)