A209969 - OEIS

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A209969 as a triangular array

0

0 0

9 26 9

162 665 665 162

1845 13529 25435 13529 1845

17262 235614 870686 870686 235614 17262

144945 3745144 27112487 53890394 27112487 3745144 144945

1138194 56080379 795773818 3143493049 3143493049

A209969 as a square array

`0`	`0`	`9`	`162`	`1845`	`17262`	`144945`	`1138194`
`0`	`26`	`665`	`13529`	`235614`	`3745144`	`56080379`
`9`	`665`	`25435`	`870686`	`27112487`	`795773818`
`162`	`13529`	`870686`	`53890394`	`3143493049`
`1845`	`235614`	`27112487`	`3143493049`
`17262`	`3745144`
`144945`

A209969 as an upper right triangle

`0`	`0`	`9`	`162`	`1845`	`17262`	`144945`	`1138194`
	`0`	`26`	`665`	`13529`	`235614`	`3745144`	`56080379`
		`9`	`665`	`25435`	`870686`	`27112487`	`795773818`
			`162`	`13529`	`870686`	`53890394`	`3143493049`
				`1845`	`235614`	`27112487`	`3143493049`
					`17262`	`3745144`
						`144945`

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Last modified July 14 05:06 EDT 2024. Contains 374291 sequences. (Running on oeis4.)