A284856 - OEIS

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A284856 as a triangular array

1

2 0

3 1 0

4 3 2 0

5 6 6 3 0

6 10 12 12 6 0

7 15 20 30 24 7 0

8 21 30 60 60 42 14 0

9 28 42 105 120 138 78 18 0

10 36 56 168 210 340 252 144 28 0

11 45 72 252 336 705 620 600 234 39 0

A284856 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`
`0`	`3`	`12`	`30`	`60`	`105`	`168`	`252`
`0`	`6`	`24`	`60`	`120`	`210`	`336`
`0`	`7`	`42`	`138`	`340`	`705`
`0`	`14`	`78`	`252`	`620`
`0`	`18`	`144`	`600`
`0`	`28`	`234`
`0`	`39`
`0`

A284856 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`
			`0`	`3`	`12`	`30`	`60`	`105`	`168`	`252`
				`0`	`6`	`24`	`60`	`120`	`210`	`336`
					`0`	`7`	`42`	`138`	`340`	`705`
						`0`	`14`	`78`	`252`	`620`
							`0`	`18`	`144`	`600`
								`0`	`28`	`234`
									`0`	`39`
										`0`

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Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)