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A063768 Smallest prime >= 8^n. 0
2, 11, 67, 521, 4099, 32771, 262147, 2097169, 16777259, 134217757, 1073741827, 8589934609, 68719476767, 549755813911, 4398046511119, 35184372088891, 281474976710677, 2251799813685269, 18014398509482143, 144115188075855881 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..19.

MATHEMATICA

NextPrime[ n_Integer ] := (k = n + 1; While[ !PrimeQ[ k ], k++ ]; k); Table[ NextPrime[ 8^n ], {n, 0, 20} ]

NextPrime/@(8^Range[0, 20]) (* Harvey P. Dale, May 06 2013 *)

PROG

(PARI) g(n, b) = for(x=0, n, print1(nextprime(b^x)", ")) \\ Cino Hilliard, Mar 03 2005

CROSSREFS

Sequence in context: A138792 A058056 A266579 * A042245 A153298 A153393

Adjacent sequences:  A063765 A063766 A063767 * A063769 A063770 A063771

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Aug 14 2001

EXTENSIONS

Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, May 16 2007

STATUS

approved

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Last modified May 20 03:37 EDT 2022. Contains 353851 sequences. (Running on oeis4.)