A208919 - OEIS

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A208919 as a triangular array

1

1 2

1 6 6

1 12 20 14

1 20 44 66 38

1 30 80 190 208 94

1 42 130 430 678 622 246

1 56 196 840 1708 2380 1852 622

1 72 280 1484 3668 6888 7928 5338 1606

1 90 384 2436 7056 16716 25344 25650 15336

A208919 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`6`	`20`	`44`	`80`	`130`	`196`	`280`	`384`
`14`	`66`	`190`	`430`	`840`	`1484`	`2436`
`38`	`208`	`678`	`1708`	`3668`	`7056`
`94`	`622`	`2380`	`6888`	`16716`
`246`	`1852`	`7928`	`25344`
`622`	`5338`	`25650`
`1606`	`15336`

A208919 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
		`6`	`20`	`44`	`80`	`130`	`196`	`280`	`384`
			`14`	`66`	`190`	`430`	`840`	`1484`	`2436`
				`38`	`208`	`678`	`1708`	`3668`	`7056`
					`94`	`622`	`2380`	`6888`	`16716`
						`246`	`1852`	`7928`	`25344`
							`622`	`5338`	`25650`
								`1606`	`15336`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)