A186432 - OEIS

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A186432 as a triangular array

1

1 1

1 12 1

1 30 30 1

1 56 140 56 1

1 90 420 420 90 1

1 132 990 1848 990 132 1

1 182 2002 6006 6006 2002 182 1

1 240 3640 16016 25740 16016 3640 240 1

1 306 6120 37128 87516 87516 37128 6120 306 1

1 380 9690 77520 251940 369512 251940 77520 9690 380 1

A186432 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`12`	`30`	`56`	`90`	`132`	`182`	`240`	`306`	`380`
`1`	`30`	`140`	`420`	`990`	`2002`	`3640`	`6120`	`9690`
`1`	`56`	`420`	`1848`	`6006`	`16016`	`37128`	`77520`
`1`	`90`	`990`	`6006`	`25740`	`87516`	`251940`
`1`	`132`	`2002`	`16016`	`87516`	`369512`
`1`	`182`	`3640`	`37128`	`251940`
`1`	`240`	`6120`	`77520`
`1`	`306`	`9690`
`1`	`380`
`1`

A186432 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`12`	`30`	`56`	`90`	`132`	`182`	`240`	`306`	`380`
		`1`	`30`	`140`	`420`	`990`	`2002`	`3640`	`6120`	`9690`
			`1`	`56`	`420`	`1848`	`6006`	`16016`	`37128`	`77520`
				`1`	`90`	`990`	`6006`	`25740`	`87516`	`251940`
					`1`	`132`	`2002`	`16016`	`87516`	`369512`
						`1`	`182`	`3640`	`37128`	`251940`
							`1`	`240`	`6120`	`77520`
								`1`	`306`	`9690`
									`1`	`380`
										`1`

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Last modified May 16 12:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)