|
Search: id:A153796
|
|
|
| A153796 |
|
6 times octagonal numbers: 6n(3n-2). |
|
+0
3
|
|
| 0, 6, 48, 126, 240, 390, 576, 798, 1056, 1350, 1680, 2046, 2448, 2886, 3360, 3870, 4416, 4998, 5616, 6270, 6960, 7686, 8448, 9246, 10080, 10950, 11856, 12798, 13776, 14790, 15840, 16926, 18048, 19206, 20400, 21630, 22896, 24198
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
FORMULA
|
a(n) = 18n^2 - 12n = A000567(n)*6 = A139267(n)*3 = A152751(n)*2.
|
|
MATHEMATICA
|
s=0; lst={s}; Do[s+=n; AppendTo[lst, s], {n, 6, 8!, 36}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 03 2009]
|
|
CROSSREFS
|
Cf. A000567, A139267, A152751.
Sequence in context: A000252 A078237 A052651 this_sequence A167547 A005353 A047927
Adjacent sequences: A153793 A153794 A153795 this_sequence A153797 A153798 A153799
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Omar E. Pol (info(AT)polprimos.com), Jan 19 2009
|
|
|
Search completed in 0.002 seconds
|
