Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
integer sequence
|
| gptkbp:category |
additive number theory
|
| gptkbp:field |
gptkb:mathematics
|
| gptkbp:first_terms |
2
1 11 13 16 18 3 4 6 8 |
| https://www.w3.org/2000/01/rdf-schema#label |
Ulam numbers
|
| gptkbp:namedAfter |
gptkb:Stanislaw_Ulam
|
| gptkbp:OEIS |
gptkb:A002858
|
| gptkbp:property |
irregular distribution
nonlinear growth |
| gptkbp:relatedTo |
gptkb:Stanislaw_Ulam
integer sequences |
| gptkbp:sequenceDefinition |
The sequence starts with 1 and 2; each subsequent term is the smallest integer that is the sum of two distinct earlier terms in exactly one way.
|
| gptkbp:bfsParent |
gptkb:Stanislaw_Ulam
|
| gptkbp:bfsLayer |
4
|