OFFSET
1,2
REFERENCES
M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988.
Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta, UTET, CittaStudiEdizioni, Milano 1997.
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[1000], PrimeQ[7#+3]&]
PROG
(PARI) is(n)=isprime(7*n+3) \\ Charles R Greathouse IV, Feb 17 2017
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Nov 12 2003
EXTENSIONS
Corrected and extended by Ray Chandler, Nov 12 2003
Offset corrected by Arkadiusz Wesolowski, Aug 09 2011
STATUS
approved