A108838 - OEIS

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A108838 as a triangular array

2

3 2

4 8 2

5 20 15 2

6 40 60 24 2

7 70 175 140 35 2

8 112 420 560 280 48 2

9 168 882 1764 1470 504 63 2

10 240 1680 4704 5880 3360 840 80 2

11 330 2970 11088 19404 16632 6930 1320 99 2

A108838 as a square array

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`	`330`
`2`	`15`	`60`	`175`	`420`	`882`	`1680`	`2970`
`2`	`24`	`140`	`560`	`1764`	`4704`	`11088`
`2`	`35`	`280`	`1470`	`5880`	`19404`
`2`	`48`	`504`	`3360`	`16632`
`2`	`63`	`840`	`6930`
`2`	`80`	`1320`
`2`	`99`
`2`

A108838 as an upper right triangle

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`	`330`
		`2`	`15`	`60`	`175`	`420`	`882`	`1680`	`2970`
			`2`	`24`	`140`	`560`	`1764`	`4704`	`11088`
				`2`	`35`	`280`	`1470`	`5880`	`19404`
					`2`	`48`	`504`	`3360`	`16632`
						`2`	`63`	`840`	`6930`
							`2`	`80`	`1320`
								`2`	`99`
									`2`

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Last modified August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)