A099360 a(n) = (2^n + 1)^4 - 2.

14, 79, 623, 6559, 83519, 1185919, 17850623, 276922879, 4362470399, 69257922559, 1103812890623, 17626570956799, 281749955297279, 4505799053311999, 72075187834650623, 1153062248537784319, 18447869999386460159

Offset

0,1

Links

Table of n, a(n) for n=0..16.

Eric Weisstein's World of Mathematics, Integer Sequence Primes.

Mathematica

Table[(2^n + 1)^4 - 2, {n, 0, 18}] (* Stefan Steinerberger, Mar 06 2006 *)

Prog

(PARI) a(n)=(2^n+1)^4-2 \\ Charles R Greathouse IV, Oct 01 2012

Crossrefs

Cf. A091513, A091515.

Sequence in context: A370960 A231241 A138401 * A329820 A239421 A309338

Adjacent sequences: A099357 A099358 A099359 * A099361 A099362 A099363

Keyword

nonn,easy

Author

Parthasarathy Nambi, Nov 16 2004

Extensions

More terms from Stefan Steinerberger, Mar 06 2006

Status

approved