A231663 - OEIS

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A231663 as a triangular array

3

3 3

9 15 9

22 93 93 22

51 458 1197 458 51

121 2163 13434 13434 2163 121

292 10789 144465 345519 144465 10789 292

704 53813 1607589 8300390 8300390 1607589 53813 704

1691 265397 17962078 206363144 434469343

A231663 as a square array

`3`	`3`	`9`	`22`	`51`	`121`	`292`	`704`	`1691`
`3`	`15`	`93`	`458`	`2163`	`10789`	`53813`	`265397`
`9`	`93`	`1197`	`13434`	`144465`	`1607589`	`17962078`
`22`	`458`	`13434`	`345519`	`8300390`	`206363144`
`51`	`2163`	`144465`	`8300390`	`434469343`
`121`	`10789`	`1607589`
`292`	`53813`
`704`

A231663 as an upper right triangle

`3`	`3`	`9`	`22`	`51`	`121`	`292`	`704`	`1691`
	`3`	`15`	`93`	`458`	`2163`	`10789`	`53813`	`265397`
		`9`	`93`	`1197`	`13434`	`144465`	`1607589`	`17962078`
			`22`	`458`	`13434`	`345519`	`8300390`	`206363144`
				`51`	`2163`	`144465`	`8300390`	`434469343`
					`121`	`10789`	`1607589`
						`292`	`53813`
							`704`

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)