Statements (18)
Predicate | Object |
---|---|
gptkbp:instanceOf |
integer sequence
|
gptkbp:alsoKnownAs |
OEIS A007630
|
gptkbp:author |
gptkb:N._J._A._Sloane
|
gptkbp:citation |
gptkb:A000079
gptkb:A001047 A007582 |
gptkbp:describedBy |
Number of ways of writing n as a sum of 1, 2, 4, 8, ... (powers of 2) where order matters
|
gptkbp:first_terms |
1, 1, 2, 3, 6, 10, 20, 36, 72, 136, 272, 528, 1056, 2080, 4160, 8256, 16512, 33024, 65792, 131328
|
gptkbp:form |
a(n) = sum_{k>=0} a(n-2^k), a(0)=1, a(n<0)=0
|
gptkbp:hasKeyword |
easy
nice nonn |
https://www.w3.org/2000/01/rdf-schema#label |
A007630
|
gptkbp:OEIS |
https://oeis.org/A007630
|
gptkbp:relatedTo |
partitions
|
gptkbp:sequence |
number sequence
|
gptkbp:bfsParent |
gptkb:A000081
|
gptkbp:bfsLayer |
8
|