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A087505
Numbers k such that 5*k+3 is a prime.
8
0, 2, 4, 8, 10, 14, 16, 20, 22, 32, 34, 38, 44, 46, 52, 56, 58, 62, 70, 74, 76, 86, 88, 92, 100, 104, 112, 118, 122, 128, 130, 134, 136, 146, 148, 154, 164, 170, 172, 176, 190, 196, 202, 206, 212, 218, 220, 224, 230, 232, 238, 242, 244, 256, 260, 274, 284, 286
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
EXAMPLE
10 is a term as 5*10 + 3 = 53 is prime. - David A. Corneth, Nov 11 2019
PROG
(PARI) is(n) = isprime(5*n+3) \\ David A. Corneth, Nov 11 2019
CROSSREFS
Sequence in context: A356435 A287844 A219696 * A086801 A154115 A071703
KEYWORD
nonn,easy
AUTHOR
Giovanni Teofilatto, Nov 04 2003
EXTENSIONS
Corrected and extended by Ray Chandler, Nov 08 2003
STATUS
approved