A228032 Primes of the form 8^n + 3.

11, 67, 4099, 32771, 262147, 1073741827, 19342813113834066795298819

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..14

Mathematica

Select[Table[8^n + 3, {n, 0, 300}], PrimeQ]

Prog

(Magma) [a: n in [0..300] | IsPrime(a) where a is  8^n+3];

Crossrefs

Cf. A217354 (associated n).

Cf. Primes of the form k^n + h: A092506 (k=2, h=1), A057733 (k=2, h=3), A123250 (k=2, h=5), A104066 (k=2, h=7), A104070 (k=2, h=9), A057735 (k=3, h=2), A102903 (k=3, h=4), A102870 (k=3, h=8), A102907 (k=3, h=10), A290200 (k=4, h=1), A182330 (k=5, h=2), A102910 (k=5, h=8), A182331 (k=6, h=1), A104118 (k=6, h=5), A104115 (k=6, h=7), A104065 (k=7, h=4), this sequence (k=8, h=3), A144360 (k=8, h=7), A145440 (k=8, h=9), A228034 (k=9, h=2), A159352 (k=10, h=3), A159031 (k=10, h=7).

Sequence in context: A220511 A287169 A120792 * A145833 A111931 A066433

Adjacent sequences: A228029 A228030 A228031 * A228033 A228034 A228035

Keyword

nonn,easy

Author

Vincenzo Librandi, Aug 11 2013

Extensions

Corrected cross-references - Robert Price, Aug 01 2017

Status

approved