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A071910 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`18`
`2`		`180`
`3`		`900`
`4`		`3150`
`5`		`8820`
`6`		`21168`
`7`		`45360`
`8`		`89100`
`9`		`163350`
`10`		`283140`
`11`		`468468`
`12`		`745290`
`13`		`1146600`
`14`		`1713600`
`15`		`2496960`
`16`		`3558168`
`17`		`4970970`
`18`		`6822900`
`19`		`9216900`
`20`		`12273030`
`21`		`16130268`
`22`		`20948400`
`23`		`26910000`
`24`		`34222500`
`25`		`43120350`
`26`		`53867268`
`27`		`66758580`
`28`		`82123650`
`29`		`100328400`
`30`		`121777920`

[0,18,180,900,3150,8820,21168,45360,89100,163350, 283140,468468,745290,1146600,1713600,2496960, 3558168,4970970,6822900,9216900,12273030,16130268, 20948400,26910000,34222500,43120350,53867268, 66758580,82123650,100328400,121777920]

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Last modified September 12 02:35 EDT 2024. Contains 375842 sequences. (Running on oeis4.)