|
Search: id:A063728
|
|
|
| A063728 |
|
a(n) = shift(a(n-1); a(n-3)), a(0)=2, a(1)=3. |
|
+0
1
|
|
| 2, 3, 6, 24, 192, 12288, 206158430208, 1294077440023230710144016724176942272334582932281947479092973291962368
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
EXAMPLE
|
n=4: 192 because 24 [a(n-1)] in binary is [1, 1, 0, 0, 0] and shifted 3 [a(n-3)] places to the left becomes [1, 1, 0, 0, 0, 0, 0, 0]=192.
|
|
PROGRAM
|
(PARI) a(n) = if(n<2, n+2, shift(a(n-1), a(n-3))); for(n=0, 7, print(a(n)))
|
|
CROSSREFS
|
Sequence in context: A099000 A171717 A032540 this_sequence A000341 A144857 A090445
Adjacent sequences: A063725 A063726 A063727 this_sequence A063729 A063730 A063731
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Jason Earls (zevi_35711(AT)yahoo.com), Aug 12 2001
|
|
|
Search completed in 0.002 seconds
|
