A000081

GPTKB entity

Statements (106)
Predicate Object
gptkbp:instanceOf integer sequence
gptkbp:author gptkb:N._J._A._Sloane
gptkbp:citation gptkb:A000055
gptkb:A000169
gptkb:A001047
gptkb:A001190
gptkb:A007563
gptkb:A007565
gptkb:A007566
gptkb:A007567
gptkb:A007568
gptkb:A007569
gptkb:A007570
gptkb:A007571
gptkb:A007572
gptkb:A007575
gptkb:A007576
gptkb:A007578
gptkb:A007630
gptkb:A007632
gptkb:A007633
gptkb:A007634
gptkb:A007638
gptkb:A007639
gptkb:A007640
A005195
A007583
A000088
A007564
A007573
A007574
A007577
A007579
A007580
A007581
A007582
A007584
A007585
A007586
A007587
A007588
A007589
A007590
A007591
A007592
A007593
A007594
A007595
A007596
A007597
A007598
A007599
A007600
A007601
A007602
A007603
A007604
A007605
A007606
A007607
A007608
A007609
A007610
A007611
A007612
A007613
A007614
A007615
A007616
A007617
A007618
A007619
A007620
A007621
A007622
A007623
A007624
A007625
A007626
A007627
A007628
A007629
A007631
A007635
A007636
A007637
gptkbp:describes Number of rooted trees with n nodes
gptkbp:eighth_term 115
gptkbp:fifthBook 9
gptkbp:first_terms 1
gptkbp:fourthPlace 4
gptkbp:hasKeyword easy
nice
nonn
https://www.w3.org/2000/01/rdf-schema#label A000081
gptkbp:ninth_term 286
gptkbp:OEIS gptkb:A000081
https://oeis.org/A000081
gptkbp:relatedTo rooted trees
gptkbp:sequence integer sequence
gptkbp:seventhBook 48
gptkbp:sixthBook 20
gptkbp:tenth_term 719
gptkbp:thirdPlace 2
gptkbp:bfsParent gptkb:OEIS_A006125
gptkbp:bfsLayer 7