|
Search: id:A144743
|
|
|
| A144743 |
|
Recurence sequence a(n)=a(n-1)^2-a(n-1)-1 a(0)=3 |
|
+0 7
|
|
| 5, 19, 341, 115939, 13441735781, 180680260792773944179, 32645356640144805339284259388335434039861, 10657193101622465334886426687272422298361484904410051135243017426658451355028594\ 59
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
a(0)=3 is the smallest integer generating decreasing sequence of the form a(n)=a(n-1)^2-a(n-1)-1
|
|
FORMULA
|
a(n)=a(n-1)^2-a(n-1)-1
|
|
MATHEMATICA
|
a = {}; k = 3; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a
|
|
CROSSREFS
|
A000058, A082732, A144744, A144745, A144746, A144747, A144748
Sequence in context: A092751 A122150 A092663 this_sequence A072526 A095218 A119964
Adjacent sequences: A144740 A144741 A144742 this_sequence A144744 A144745 A144746
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Artur Jasinski (grafix(AT)csl.pl), Sep 20 2008
|
|
|
Search completed in 0.002 seconds
|