|
| |
|
|
A144747
|
|
Recurrence sequence a(n)=a(n-1)^2-a(n-1)-1, a(0)=7.
|
|
5
| |
|
|
41, 1639, 2684681, 7207509387079, 51948191564824694742765161, 2698614606855723567054656642857156538246857652590759, 7282520796335071470236496456671241855257664867148949932302276253455702665493855273950765616767079605321
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| 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 and a(0)=7
|
|
|
MATHEMATICA
| a = {}; k = 7; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a
|
|
|
CROSSREFS
| Cf. A000058, A082732, A144743, A144744, A144745, A144746, A144748
Sequence in context: A076462 A163050 A180667 * A162878 A163224 A163677
Adjacent sequences: A144744 A144745 A144746 * A144748 A144749 A144750
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Sep 20 2008
|
| |
|
|
