A039948 - OEIS

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A039948 as a triangular array

1

1 1

4 2 1

18 12 3 1

120 72 24 4 1

960 600 180 40 5 1

9360 5760 1800 360 60 6 1

105840 65520 20160 4200 630 84 7 1

1370880 846720 262080 53760 8400 1008 112 8 1

19958400 12337920 3810240 786240 120960 15120 1512 144 9 1

A039948 as a square array

`1`	`1`	`4`	`18`	`120`	`960`	`9360`	`105840`	`1370880`	`19958400`
`1`	`2`	`12`	`72`	`600`	`5760`	`65520`	`846720`	`12337920`
`1`	`3`	`24`	`180`	`1800`	`20160`	`262080`	`3810240`
`1`	`4`	`40`	`360`	`4200`	`53760`	`786240`
`1`	`5`	`60`	`630`	`8400`	`120960`
`1`	`6`	`84`	`1008`	`15120`
`1`	`7`	`112`	`1512`
`1`	`8`	`144`
`1`	`9`
`1`

A039948 as an upper right triangle

`1`	`1`	`4`	`18`	`120`	`960`	`9360`	`105840`	`1370880`	`19958400`
	`1`	`2`	`12`	`72`	`600`	`5760`	`65520`	`846720`	`12337920`
		`1`	`3`	`24`	`180`	`1800`	`20160`	`262080`	`3810240`
			`1`	`4`	`40`	`360`	`4200`	`53760`	`786240`
				`1`	`5`	`60`	`630`	`8400`	`120960`
					`1`	`6`	`84`	`1008`	`15120`
						`1`	`7`	`112`	`1512`
							`1`	`8`	`144`
								`1`	`9`
									`1`

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Last modified June 10 01:53 EDT 2024. Contains 373251 sequences. (Running on oeis4.)