Ulam sequence

GPTKB entity

Statements (30)
Predicate Object
gptkbp:instanceOf integer sequence
gptkbp:defines A sequence where the next term is the smallest integer that is the sum of two distinct earlier terms in exactly one way.
gptkbp:discoveredBy gptkb:Stanislaw_Ulam
gptkbp:field gptkb:mathematics
number theory
gptkbp:first_terms 2
1
11
13
16
18
26
28
3
36
38
4
6
8
gptkbp:generalizes gptkb:Ulam_k-sequence
https://www.w3.org/2000/01/rdf-schema#label Ulam sequence
gptkbp:introducedIn 1964
gptkbp:namedAfter gptkb:Stanislaw_Ulam
gptkbp:OEIS gptkb:A002858
gptkbp:property nonlinear
non-periodic
grows slowly
gptkbp:relatedTo additive number theory
gptkbp:bfsParent gptkb:Stan_Ulam
gptkbp:bfsLayer 5