|
Search: id:A033583
|
|
| |
|
| 0, 10, 40, 90, 160, 250, 360, 490, 640, 810, 1000, 1210, 1440, 1690, 1960, 2250, 2560, 2890, 3240, 3610, 4000, 4410, 4840, 5290, 5760, 6250, 6760, 7290, 7840, 8410, 9000, 9610, 10240, 10890, 11560, 12250, 12960, 13690, 14440, 15210, 16000, 16810
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
Number of edges of a complete 5-partite graph of order 5n, K_n,n,n,n,n. - Roberto E. Martinez II (remartin(AT)fas.harvard.edu), Oct 18 2001
10 times the squares. [From Omar E. Pol (info(AT)polprimos.com), Dec 13 2008]
a(n) = A158187(n) - 1. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 13 2009]
|
|
FORMULA
|
a(n) = A000290(n)*10 = A001105(n)*5 = A033429(n)*2. [From Omar E. Pol (info(AT)polprimos.com), Dec 13 2008]
|
|
MATHEMATICA
|
s=0; lst={s}; Do[s+=n++ +10; AppendTo[lst, s], {n, 0, 8!, 20}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 17 2008]
|
|
CROSSREFS
|
Cf. A033581, A000217, A000290, A033428.
Cf. A001105, A033429. [From Omar E. Pol (info(AT)polprimos.com), Dec 13 2008]
Adjacent sequences: A033580 A033581 A033582 this_sequence A033584 A033585 A033586
Sequence in context: A108777 A000132 A060317 this_sequence A131037 A071233 A063490
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
EXTENSIONS
|
More terms from Larry Reeves (larryr(AT)acm.org), Nov 08 2001
|
|
|
Search completed in 0.002 seconds
|
