|
Search: id:A000284
|
|
|
| A000284 |
|
a(n) = a(n-1)^3 + a(n-2). |
|
+0
1
|
|
| 0, 1, 1, 2, 9, 731, 390617900, 59601394712394173339000731
(list; graph; listen)
|
|
|
OFFSET
|
0,4
|
|
|
FORMULA
|
For n>0, a(n) = floor(c^(3^n)) where c=1.0275090796393628012075291021962112731026759143420911102331653107087209649910... - Gerald McGarvey (gerald.mcgarvey(AT)comcast.net), Nov 28 2007
|
|
MAPLE
|
A000284 := proc(n) option remember; if n <= 1 then n else A000284(n-2)+A000284(n-1)^3; fi; end;
|
|
CROSSREFS
|
Cf. A058182.
Adjacent sequences: A000281 A000282 A000283 this_sequence A000285 A000286 A000287
Sequence in context: A008322 A135361 A023366 this_sequence A112961 A114953 A067691
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
greenfie(AT)math.rutgers.edu (Stephen J. Greenfield)
|
|
|
Search completed in 0.002 seconds
|
