A277443 - OEIS

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A277443 as a triangular array

0

0 0

0 2 0

0 0 18 0

0 2 12 84 0

0 0 114 264 260 0

0 2 180 2652 1920 630 0

0 0 858 16080 29660 8520 1302 0

0 2 1932 119844 367080 198030 28140 2408 0

0 0 7074 816984 4843460 4067280 932862 76272 4104 0

0 2 18660 5784492 62682480 85847910 28576380 3440024 179424 6570 0

A277443 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`
`0`	`18`	`12`	`114`	`180`	`858`	`1932`	`7074`	`18660`
`0`	`84`	`264`	`2652`	`16080`	`119844`	`816984`	`5784492`
`0`	`260`	`1920`	`29660`	`367080`	`4843460`	`62682480`
`0`	`630`	`8520`	`198030`	`4067280`	`85847910`
`0`	`1302`	`28140`	`932862`	`28576380`
`0`	`2408`	`76272`	`3440024`
`0`	`4104`	`179424`
`0`	`6570`
`0`

A277443 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`
		`0`	`18`	`12`	`114`	`180`	`858`	`1932`	`7074`	`18660`
			`0`	`84`	`264`	`2652`	`16080`	`119844`	`816984`	`5784492`
				`0`	`260`	`1920`	`29660`	`367080`	`4843460`	`62682480`
					`0`	`630`	`8520`	`198030`	`4067280`	`85847910`
						`0`	`1302`	`28140`	`932862`	`28576380`
							`0`	`2408`	`76272`	`3440024`
								`0`	`4104`	`179424`
									`0`	`6570`
										`0`

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Last modified April 18 20:21 EDT 2024. Contains 371781 sequences. (Running on oeis4.)