Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
integer sequence
|
| gptkbp:application |
computer science
combinatorics |
| gptkbp:category |
number theory
|
| gptkbp:closedForm |
(2^n - (-1)^n)/3
|
| gptkbp:definedIn |
recurrence relation
|
| gptkbp:first_terms |
0
1 |
| gptkbp:growthForm |
exponential
|
| https://www.w3.org/2000/01/rdf-schema#label |
Jacobsthal numbers
|
| gptkbp:namedAfter |
gptkb:Ernst_Jacobsthal
|
| gptkbp:OEIS |
A001045
|
| gptkbp:recurrence |
J(n) = J(n-1) + 2*J(n-2)
|
| gptkbp:relatedTo |
gptkb:Fibonacci_numbers
gptkb:Jacobsthal–Lucas_numbers |
| gptkbp:sequence |
0, 1, 1, 3, 5, 11, 21, 43, 85, ...
|
| gptkbp:bfsParent |
gptkb:Johann_Eduard_Jacobsthal
|
| gptkbp:bfsLayer |
7
|