A098473 - OEIS

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A098473 as a triangular array

1

1 2

1 4 6

1 6 18 20

1 8 36 80 70

1 10 60 200 350 252

1 12 90 400 1050 1512 924

1 14 126 700 2450 5292 6468 3432

1 16 168 1120 4900 14112 25872 27456 12870

1 18 216 1680 8820 31752 77616 123552 115830

A098473 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
`6`	`18`	`36`	`60`	`90`	`126`	`168`	`216`
`20`	`80`	`200`	`400`	`700`	`1120`	`1680`
`70`	`350`	`1050`	`2450`	`4900`	`8820`
`252`	`1512`	`5292`	`14112`	`31752`
`924`	`6468`	`25872`	`77616`
`3432`	`27456`	`123552`
`12870`	`115830`

A098473 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
		`6`	`18`	`36`	`60`	`90`	`126`	`168`	`216`
			`20`	`80`	`200`	`400`	`700`	`1120`	`1680`
				`70`	`350`	`1050`	`2450`	`4900`	`8820`
					`252`	`1512`	`5292`	`14112`	`31752`
						`924`	`6468`	`25872`	`77616`
							`3432`	`27456`	`123552`
								`12870`	`115830`

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Last modified April 19 04:04 EDT 2024. Contains 371782 sequences. (Running on oeis4.)