A075780 - OEIS

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A075780 as a triangular array

0

3 3

12 14 12

30 45 45 30

60 114 138 114 60

105 245 357 357 245 105

168 468 808 960 808 468 168

252 819 1647 2286 2286 1647 819 252

360 1340 3090 4935 5740 4935 3090 1340 360

495 2079 5423 9834 13090 13090 9834 5423

A075780 as a square array

`0`	`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`	`495`
`3`	`14`	`45`	`114`	`245`	`468`	`819`	`1340`	`2079`
`12`	`45`	`138`	`357`	`808`	`1647`	`3090`	`5423`
`30`	`114`	`357`	`960`	`2286`	`4935`	`9834`
`60`	`245`	`808`	`2286`	`5740`	`13090`
`105`	`468`	`1647`	`4935`	`13090`
`168`	`819`	`3090`	`9834`
`252`	`1340`	`5423`
`360`

A075780 as an upper right triangle

`0`	`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`	`495`
	`3`	`14`	`45`	`114`	`245`	`468`	`819`	`1340`	`2079`
		`12`	`45`	`138`	`357`	`808`	`1647`	`3090`	`5423`
			`30`	`114`	`357`	`960`	`2286`	`4935`	`9834`
				`60`	`245`	`808`	`2286`	`5740`	`13090`
					`105`	`468`	`1647`	`4935`	`13090`
						`168`	`819`	`3090`	`9834`
							`252`	`1340`	`5423`
								`360`

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)