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A067903 Primes of the form floor((10/9)^k). 1
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 67, 83, 103, 127, 157, 239, 1163, 13127, 78713, 97177, 225749, 1218277, 1353641, 3144587, 4792847, 753274331, 27083690849, 38902247855599, 14203460502855187, 630469131840565313, 7903939395078324527, 815029233346016629931 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..73
FORMULA
127 is in the sequence because floor((10/9)^46) = 127.
PROG
(PARI) v=[]; for(k=2, 3000, if(ispseudoprime(t=floor((10/9)^k)), v=concat(v, t))); v \\ Charles R Greathouse IV, Feb 17 2011; adapted to PARI in A067904 by Georg Fischer, Jul 15 2022
CROSSREFS
Sequence in context: A197300 A028864 A342063 * A341934 A224229 A358798
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Mar 03 2002
STATUS
approved

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Last modified February 21 07:54 EST 2024. Contains 370219 sequences. (Running on oeis4.)