|
Search: id:A114201
|
|
|
| A114201 |
|
C(1+2*n,1+n)*C(6+2*n,0+n) |
|
+0
1
|
|
| 1, 24, 450, 7700, 126126, 2018016, 31855824, 498841200, 7773608700, 120784604512, 1873533922260, 29034766346040, 449790717967500
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
EXAMPLE
|
if n=0 then C(1+2*0,1+0)*C(6+2*0,0+0)=C(1,1)*C(6,0)=1*1=1
if n=10 then C(1+2*n,1+n)*C(6+2*n,0+n)=C(21,11)*C(26,10)=352716*5311735=1873533922260
|
|
CROSSREFS
|
Sequence in context: A006260 A024303 A060195 this_sequence A052715 A052725 A006548
Adjacent sequences: A114198 A114199 A114200 this_sequence A114202 A114203 A114204
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 04 2006
|
|
|
Search completed in 0.002 seconds
|
