A255970 - OEIS

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A255970 as a triangular array

1

0 1

0 2 2

0 3 8 6

0 5 24 42 24

0 7 60 198 264 120

0 11 144 780 1848 1920 720

0 15 320 2778 10512 18840 15840 5040

0 22 702 9342 53184 146760 208080 146160 40320

0 30 1486 30186 250128 999720 2129040 2479680 1491840 362880

A255970 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
`2`	`8`	`24`	`60`	`144`	`320`	`702`	`1486`
`6`	`42`	`198`	`780`	`2778`	`9342`	`30186`
`24`	`264`	`1848`	`10512`	`53184`	`250128`
`120`	`1920`	`18840`	`146760`	`999720`
`720`	`15840`	`208080`	`2129040`
`5040`	`146160`	`2479680`
`40320`	`1491840`
`362880`

A255970 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
		`2`	`8`	`24`	`60`	`144`	`320`	`702`	`1486`
			`6`	`42`	`198`	`780`	`2778`	`9342`	`30186`
				`24`	`264`	`1848`	`10512`	`53184`	`250128`
					`120`	`1920`	`18840`	`146760`	`999720`
						`720`	`15840`	`208080`	`2129040`
							`5040`	`146160`	`2479680`
								`40320`	`1491840`
									`362880`

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)