login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A138455 a(n) = ((n-th prime)^6-(n-th prime)^4))/4. 2
12, 162, 3750, 28812, 439230, 1199562, 6013512, 11728890, 36939012, 148529010, 221645040, 640963062, 1186819620, 1579486062, 2693583912, 5539117662, 10542104070, 12876632130, 22609557762, 32018718060, 37826457012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^4)/4], {n, 1, 24}]; a

PROG

(PARI) forprime(p=2, 1e3, print1((p^6-p^4)/4", ")) \\ Charles R Greathouse IV, Jul 15 2011

CROSSREFS

Sequence in context: A048603 A275040 A109391 * A024221 A093152 A282010

Adjacent sequences:  A138452 A138453 A138454 * A138456 A138457 A138458

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski, Mar 22 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified July 25 10:40 EDT 2017. Contains 289792 sequences.