A007630

GPTKB entity

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