A241678 2^p - 5 where p is prime.

-1, 3, 27, 123, 2043, 8187, 131067, 524283, 8388603, 536870907, 2147483643, 137438953467, 2199023255547, 8796093022203, 140737488355323, 9007199254740987, 576460752303423483, 2305843009213693947, 147573952589676412923, 2361183241434822606843

Offset

1,2

Links

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

Mathematica

Table[2^Prime[n] - 5, {n, 40}]

Prog

(Magma) [2^p-5: p in PrimesUpTo(100)];

Crossrefs

Cf. similar sequence listed in A241573.

Sequence in context: A161807 A261716 A267924 * A063263 A204809 A367967

Adjacent sequences: A241675 A241676 A241677 * A241679 A241680 A241681

Keyword

sign

Author

Vincenzo Librandi, Apr 29 2014

Status

approved