A223370 - OEIS

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A223370 as a triangular array

21

90 90

420 990 420

1992 11610 11610 1992

9552 139158 357354 139158 9552

45984 1686042 11206806 11206806 1686042 45984

221760 20537766 356391222 933306108 356391222 20537766 221760

1070208 250834914

A223370 as a square array

`21`	`90`	`420`	`1992`	`9552`	`45984`	`221760`	`1070208`
`90`	`990`	`11610`	`139158`	`1686042`	`20537766`	`250834914`
`420`	`11610`	`357354`	`11206806`	`356391222`
`1992`	`139158`	`11206806`	`933306108`
`9552`	`1686042`	`356391222`
`45984`	`20537766`
`221760`

A223370 as an upper right triangle

`21`	`90`	`420`	`1992`	`9552`	`45984`	`221760`	`1070208`
	`90`	`990`	`11610`	`139158`	`1686042`	`20537766`	`250834914`
		`420`	`11610`	`357354`	`11206806`	`356391222`
			`1992`	`139158`	`11206806`	`933306108`
				`9552`	`1686042`	`356391222`
					`45984`	`20537766`
						`221760`

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Last modified May 11 04:25 EDT 2024. Contains 372388 sequences. (Running on oeis4.)