|
| |
|
|
A008516
|
|
6-dimensional centered cube numbers.
|
|
1
| |
|
|
1, 65, 793, 4825, 19721, 62281, 164305, 379793, 793585, 1531441, 2771561, 4757545, 7812793, 12356345, 18920161, 28167841, 40914785, 58149793, 81058105, 111045881, 149766121, 199146025, 261415793
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
COMMENTS
| These are never prime, as a(n) = (2n^2 + 2n + 1) * (n^4 + 2n^3 + 5n^2 + 4n + 1). [Jonathan Vos Post, Aug 17 2011]
|
|
|
LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..10000
|
|
|
MAPLE
| n^6+(n+1)^6;
|
|
|
MATHEMATICA
| Table[n^6 + (n + 1)^6, {n, 0, 24}] (* From Alonso del Arte, Aug 17 2011 *)
|
|
|
PROG
| (MAGMA) [(n+1)^6+n^6: n in [0..30]]; // Vincenzo Librandi, Aug 27 2011
|
|
|
CROSSREFS
| Sequence in context: A116277 A196634 A196639 * A000540 A023875 A027463
Adjacent sequences: A008513 A008514 A008515 * A008517 A008518 A008519
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
| |
|
|
