|
Search: id:A027807
|
|
| |
|
| 330, 4455, 32175, 165165, 675675, 2342340, 7147140, 19691100, 49884120, 117781950, 261891630, 552882330, 1115464350, 2162284740, 4045090500, 7330194300, 12907516050, 22145248125, 37105593525, 60841155375
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
Number of 16-subsequences of [ 1, n ] with just 4 contiguous pairs; g.f. 165*(2+x)/(1-x)^13
C(n+8, 8)*C(n+11, 4) - Zerinvary Lajos (zlaja(AT)freemail.hu), May 26 2005
|
|
CROSSREFS
|
Sequence in context: A117345 A064262 A126997 this_sequence A104476 A140908 A139657
Adjacent sequences: A027804 A027805 A027806 this_sequence A027808 A027809 A027810
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
thi ngoc dinh (via rkg(AT)cpsc.ucalgary.ca)
|
|
|
Search completed in 0.002 seconds
|
