A156367 - OEIS

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A156367 as a triangular array

1

1 1

1 3 2

1 6 10 6

1 10 30 42 24

1 15 70 168 216 120

1 21 140 504 1080 1320 720

1 28 252 1260 3960 7920 9360 5040

1 36 420 2772 11880 34320 65520 75600 40320

1 45 660 5544 30888 120120 327600 604800 685440 362880

A156367 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`2`	`10`	`30`	`70`	`140`	`252`	`420`	`660`
`6`	`42`	`168`	`504`	`1260`	`2772`	`5544`
`24`	`216`	`1080`	`3960`	`11880`	`30888`
`120`	`1320`	`7920`	`34320`	`120120`
`720`	`9360`	`65520`	`327600`
`5040`	`75600`	`604800`
`40320`	`685440`
`362880`

A156367 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`2`	`10`	`30`	`70`	`140`	`252`	`420`	`660`
			`6`	`42`	`168`	`504`	`1260`	`2772`	`5544`
				`24`	`216`	`1080`	`3960`	`11880`	`30888`
					`120`	`1320`	`7920`	`34320`	`120120`
						`720`	`9360`	`65520`	`327600`
							`5040`	`75600`	`604800`
								`40320`	`685440`
									`362880`

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Last modified May 4 11:47 EDT 2024. Contains 372240 sequences. (Running on oeis4.)