A074650 - OEIS

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A074650 as a triangular array

1

2 0

3 1 0

4 3 2 0

5 6 8 3 0

6 10 20 18 6 0

7 15 40 60 48 9 0

8 21 70 150 204 116 18 0

9 28 112 315 624 670 312 30 0

10 36 168 588 1554 2580 2340 810 56 0

11 45 240 1008 3360 7735 11160 8160 2184 99 0

12

A074650 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`0`	`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`
`0`	`3`	`18`	`60`	`150`	`315`	`588`	`1008`
`0`	`6`	`48`	`204`	`624`	`1554`	`3360`
`0`	`9`	`116`	`670`	`2580`	`7735`
`0`	`18`	`312`	`2340`	`11160`
`0`	`30`	`810`	`8160`
`0`	`56`	`2184`
`0`	`99`
`0`

A074650 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`0`	`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`
			`0`	`3`	`18`	`60`	`150`	`315`	`588`	`1008`
				`0`	`6`	`48`	`204`	`624`	`1554`	`3360`
					`0`	`9`	`116`	`670`	`2580`	`7735`
						`0`	`18`	`312`	`2340`	`11160`
							`0`	`30`	`810`	`8160`
								`0`	`56`	`2184`
									`0`	`99`
										`0`

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)