A030526 - OEIS

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A030526 as a triangular array

1

10 1

80 20 1

560 260 30 1

3584 2720 540 40 1

21504 24768 7480 920 50 1

122880 204288 87552 15840 1400 60 1

675840 1562880 908352 225936 28800 1980 70 1

3604480 11264000 8595200 2813696 483920 47360 2660 80

A030526 as a square array

`1`	`10`	`80`	`560`	`3584`	`21504`	`122880`	`675840`	`3604480`
`1`	`20`	`260`	`2720`	`24768`	`204288`	`1562880`	`11264000`
`1`	`30`	`540`	`7480`	`87552`	`908352`	`8595200`
`1`	`40`	`920`	`15840`	`225936`	`2813696`
`1`	`50`	`1400`	`28800`	`483920`
`1`	`60`	`1980`	`47360`
`1`	`70`	`2660`
`1`	`80`

A030526 as an upper right triangle

`1`	`10`	`80`	`560`	`3584`	`21504`	`122880`	`675840`	`3604480`
	`1`	`20`	`260`	`2720`	`24768`	`204288`	`1562880`	`11264000`
		`1`	`30`	`540`	`7480`	`87552`	`908352`	`8595200`
			`1`	`40`	`920`	`15840`	`225936`	`2813696`
				`1`	`50`	`1400`	`28800`	`483920`
					`1`	`60`	`1980`	`47360`
						`1`	`70`	`2660`
							`1`	`80`

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Last modified May 24 17:47 EDT 2024. Contains 372781 sequences. (Running on oeis4.)