A241573 2^p + 3 where p is prime.

7, 11, 35, 131, 2051, 8195, 131075, 524291, 8388611, 536870915, 2147483651, 137438953475, 2199023255555, 8796093022211, 140737488355331, 9007199254740995, 576460752303423491, 2305843009213693955, 147573952589676412931, 2361183241434822606851

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Mathematica

Table[2^Prime[n] + 3, {n, 20}]

Prog

(Magma) [2^p+3: p in PrimesUpTo(100)];
(Sage) [2^p+3 for p in primes(100)] # Bruno Berselli, Apr 29 2014

Crossrefs

Cf. sequences of the form 2^p+k with p prime: A034785 (k=0), A001348 (k=-1), A098640 (k=1), A241676 (k=-3), this sequence (k=3), A241678 (k=-5), A241677 (k=5), A098815 (k=-7), A241679 (k=7), A098231 (k=-11), A241680 (k=11).

Sequence in context: A043110 A043890 A132355 * A215442 A019416 A138122

Adjacent sequences: A241570 A241571 A241572 * A241574 A241575 A241576

Keyword

nonn

Author

Vincenzo Librandi, Apr 29 2014

Status

approved