A298484 - OEIS

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A298484 as a triangular array

1

2 2

3 6 6

4 12 42 42

5 20 156 1806 1806

6 30 420 24492 3263442 3263442

7 42 930 176820 599882556 10650056950806 10650056950806

8 56 1806 865830 31265489220 359859081592975692 113423713055421844361000442 113423713055421844361000442

A298484 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`
`2`	`6`	`12`	`20`	`30`	`42`	`56`
`6`	`42`	`156`	`420`	`930`	`1806`
`42`	`1806`	`24492`	`176820`	`865830`
`1806`	`3263442`	`599882556`	`31265489220`
`3263442`	`10650056950806`	`359859081592975692`
`10650056950806`	`113423713055421844361000442`
`113423713055421844361000442`

A298484 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`
		`6`	`42`	`156`	`420`	`930`	`1806`
			`42`	`1806`	`24492`	`176820`	`865830`
				`1806`	`3263442`	`599882556`	`31265489220`
					`3263442`	`10650056950806`	`359859081592975692`
						`10650056950806`	`113423713055421844361000442`
							`113423713055421844361000442`

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)