A220247 - OEIS

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A220247 as a triangular array

1

1 1

2 5 2

4 18 18 4

7 37 143 37 7

12 85 816 816 85 12

21 184 4467 7140 4467 184 21

37 393 27192 64258 64258 27192 393 37

65 826 158296 660677 942945 660677 158296 826 65

114 1726 915920 6228324 16925474

A220247 as a square array

`1`	`1`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`
`1`	`5`	`18`	`37`	`85`	`184`	`393`	`826`	`1726`
`2`	`18`	`143`	`816`	`4467`	`27192`	`158296`	`915920`
`4`	`37`	`816`	`7140`	`64258`	`660677`	`6228324`
`7`	`85`	`4467`	`64258`	`942945`	`16925474`
`12`	`184`	`27192`	`660677`
`21`	`393`	`158296`
`37`	`826`
`65`

A220247 as an upper right triangle

`1`	`1`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`
	`1`	`5`	`18`	`37`	`85`	`184`	`393`	`826`	`1726`
		`2`	`18`	`143`	`816`	`4467`	`27192`	`158296`	`915920`
			`4`	`37`	`816`	`7140`	`64258`	`660677`	`6228324`
				`7`	`85`	`4467`	`64258`	`942945`	`16925474`
					`12`	`184`	`27192`	`660677`
						`21`	`393`	`158296`
							`37`	`826`
								`65`

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Last modified August 27 03:11 EDT 2024. Contains 375462 sequences. (Running on oeis4.)