A321172 - OEIS

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A321172 as a triangular array

1

1 0

1 2 6

1 0 14 0

1 4 37 154 1072

1 0 92 0 5320 0

1 8 236 1696 32675 301384 4638576

1 0 596 0 175294 0 49483138 0

1 16 1517 18684 1024028 17066492 681728204 13916993782 467260456608

A321172 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`0`	`4`	`0`	`8`	`0`	`16`
`6`	`14`	`37`	`92`	`236`	`596`	`1517`
`0`	`154`	`0`	`1696`	`0`	`18684`
`1072`	`5320`	`32675`	`175294`	`1024028`
`0`	`301384`	`0`	`17066492`
`4638576`	`49483138`	`681728204`
`0`	`13916993782`
`467260456608`

A321172 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`2`	`0`	`4`	`0`	`8`	`0`	`16`
		`6`	`14`	`37`	`92`	`236`	`596`	`1517`
			`0`	`154`	`0`	`1696`	`0`	`18684`
				`1072`	`5320`	`32675`	`175294`	`1024028`
					`0`	`301384`	`0`	`17066492`
						`4638576`	`49483138`	`681728204`
							`0`	`13916993782`
								`467260456608`

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Last modified September 13 22:05 EDT 2024. Contains 375910 sequences. (Running on oeis4.)