A267278 - OEIS

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A267278 as a triangular array

1

1 1

1 3 2

1 10 5 6

1 35 15 5 24

1 126 109 24 4 120

1 462 574 137 24 2 720

1 1716 2840 1138 293 3 4 5040

1 6435 13767 12214 2063 317 4 2 40320

1 24310 71646 104742 18276 6240 40 2 4 362880

1 92378 390862 741057

A267278 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`3`	`10`	`35`	`126`	`462`	`1716`	`6435`	`24310`	`92378`
`2`	`5`	`15`	`109`	`574`	`2840`	`13767`	`71646`	`390862`
`6`	`5`	`24`	`137`	`1138`	`12214`	`104742`	`741057`
`24`	`4`	`24`	`293`	`2063`	`18276`
`120`	`2`	`3`	`317`	`6240`
`720`	`4`	`4`	`40`
`5040`	`2`	`2`
`40320`	`4`
`362880`

A267278 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`3`	`10`	`35`	`126`	`462`	`1716`	`6435`	`24310`	`92378`
		`2`	`5`	`15`	`109`	`574`	`2840`	`13767`	`71646`	`390862`
			`6`	`5`	`24`	`137`	`1138`	`12214`	`104742`	`741057`
				`24`	`4`	`24`	`293`	`2063`	`18276`
					`120`	`2`	`3`	`317`	`6240`
						`720`	`4`	`4`	`40`
							`5040`	`2`	`2`
								`40320`	`4`
									`362880`

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Last modified April 19 13:40 EDT 2024. Contains 371792 sequences. (Running on oeis4.)