A189233 - OEIS

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A189233 as a triangular array

1

0 1

0 1 1

0 2 2 1

0 5 6 3 1

0 15 22 12 4 1

0 52 94 57 20 5 1

0 203 454 309 116 30 6 1

0 877 2430 1866 756 205 42 7 1

0 4140 14214 12351 5428 1555 330 56 8 1

0 21147 89918 88563 42356 12880 2850 497 72 9 1

A189233 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
`1`	`2`	`6`	`22`	`94`	`454`	`2430`	`14214`	`89918`
`1`	`3`	`12`	`57`	`309`	`1866`	`12351`	`88563`
`1`	`4`	`20`	`116`	`756`	`5428`	`42356`
`1`	`5`	`30`	`205`	`1555`	`12880`
`1`	`6`	`42`	`330`	`2850`
`1`	`7`	`56`	`497`
`1`	`8`	`72`
`1`	`9`
`1`

A189233 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
		`1`	`2`	`6`	`22`	`94`	`454`	`2430`	`14214`	`89918`
			`1`	`3`	`12`	`57`	`309`	`1866`	`12351`	`88563`
				`1`	`4`	`20`	`116`	`756`	`5428`	`42356`
					`1`	`5`	`30`	`205`	`1555`	`12880`
						`1`	`6`	`42`	`330`	`2850`
							`1`	`7`	`56`	`497`
								`1`	`8`	`72`
									`1`	`9`
										`1`

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Last modified April 24 17:20 EDT 2024. Contains 371962 sequences. (Running on oeis4.)