A208915 - OEIS

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A208915 as a triangular array

1

1 2

1 4 6

1 6 12 14

1 8 18 36 38

1 10 24 66 108 94

1 12 30 104 210 308 246

1 14 36 150 344 674 892 622

1 16 42 204 510 1224 2098 2500 1606

1 18 48 266 708 1990 4024 6402 7052 4094

1 20 54 336 938

A208915 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
`6`	`12`	`18`	`24`	`30`	`36`	`42`	`48`	`54`
`14`	`36`	`66`	`104`	`150`	`204`	`266`	`336`
`38`	`108`	`210`	`344`	`510`	`708`	`938`
`94`	`308`	`674`	`1224`	`1990`
`246`	`892`	`2098`	`4024`
`622`	`2500`	`6402`
`1606`	`7052`
`4094`

A208915 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
		`6`	`12`	`18`	`24`	`30`	`36`	`42`	`48`	`54`
			`14`	`36`	`66`	`104`	`150`	`204`	`266`	`336`
				`38`	`108`	`210`	`344`	`510`	`708`	`938`
					`94`	`308`	`674`	`1224`	`1990`
						`246`	`892`	`2098`	`4024`
							`622`	`2500`	`6402`
								`1606`	`7052`
									`4094`

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Last modified May 14 14:03 EDT 2024. Contains 372533 sequences. (Running on oeis4.)