Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
integer sequence
|
| gptkbp:author |
gptkb:Reinhard_Zumkeller
|
| gptkbp:citation |
gptkb:A001047
gptkb:A007318 A008619 A008949 A008970 A072775 |
| gptkbp:describes |
Number of n-digit numbers with digits in nondecreasing order.
|
| gptkbp:form |
a(n) = binomial(n+8,8)
|
| gptkbp:hasKeyword |
easy
nice nonn |
| https://www.w3.org/2000/01/rdf-schema#label |
A072774
|
| gptkbp:OEIS |
gptkb:A072774
|
| gptkbp:OEIS_entry_created |
2002-07-18
|
| gptkbp:sequence |
9,45,165,495,1287,3003,6435,12870,24310,43758,75582,125970,203490,319770,490314,735471,1086008,1562275,2217075,3108105,4292145,5852925,7888725,10518300,13884156,18156204,23490600,30054018,38054034,47763870,59504246,73629072,90582390,110171635,133407336,160934410,193536720,232478400,279072600,334639305,400600100,478556990,570725040,679455021,807581376,958512300,1136222200,1344904000,1589070000,1873538360,2203961430
|
| gptkbp:bfsParent |
gptkb:A005117
|
| gptkbp:bfsLayer |
8
|