A086303 Numbers n such that n+15 is prime.

2, 4, 8, 14, 16, 22, 26, 28, 32, 38, 44, 46, 52, 56, 58, 64, 68, 74, 82, 86, 88, 92, 94, 98, 112, 116, 122, 124, 134, 136, 142, 148, 152, 158, 164, 166, 176, 178, 182, 184, 196, 208, 212, 214, 218, 224, 226, 236, 242, 248, 254, 256, 262, 266, 268, 278, 292, 296

Offset

1,1

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

Table of n, a(n) for n=1..58.

Formula

a(n)=2*A089559(n).

Prog

(PARI) is(n)=isprime(n+15) \\ Charles R Greathouse IV, Feb 20 2017

Crossrefs

Cf. A089559.

Sequence in context: A063033 A128309 A074202 * A209838 A121982 A143423

Adjacent sequences: A086300 A086301 A086302 * A086304 A086305 A086306

Keyword

easy,nonn

Author

Giovanni Teofilatto, Aug 29 2003

Extensions

Extended by Ray Chandler, Nov 29 2003

Status

approved