A091173 - OEIS

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A091173 as a triangular array

1

1 1

1 2 1

2 4 3 1

4 10 9 4 1

10 28 30 16 5 1

30 90 108 68 25 6 1

106 328 426 304 130 36 7 1

420 1338 1842 1444 700 222 49 8 1

1818 6024 8706 7320 3930 1404 350 64 9 1

8530 29626 44736 39700 23110 9150 2548

A091173 as a square array

`1`	`1`	`1`	`2`	`4`	`10`	`30`	`106`	`420`	`1818`	`8530`
`1`	`2`	`4`	`10`	`28`	`90`	`328`	`1338`	`6024`	`29626`
`1`	`3`	`9`	`30`	`108`	`426`	`1842`	`8706`	`44736`
`1`	`4`	`16`	`68`	`304`	`1444`	`7320`	`39700`
`1`	`5`	`25`	`130`	`700`	`3930`	`23110`
`1`	`6`	`36`	`222`	`1404`	`9150`
`1`	`7`	`49`	`350`	`2548`
`1`	`8`	`64`
`1`	`9`
`1`

A091173 as an upper right triangle

`1`	`1`	`1`	`2`	`4`	`10`	`30`	`106`	`420`	`1818`	`8530`
	`1`	`2`	`4`	`10`	`28`	`90`	`328`	`1338`	`6024`	`29626`
		`1`	`3`	`9`	`30`	`108`	`426`	`1842`	`8706`	`44736`
			`1`	`4`	`16`	`68`	`304`	`1444`	`7320`	`39700`
				`1`	`5`	`25`	`130`	`700`	`3930`	`23110`
					`1`	`6`	`36`	`222`	`1404`	`9150`
						`1`	`7`	`49`	`350`	`2548`
							`1`	`8`	`64`
								`1`	`9`
									`1`

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Last modified July 17 05:50 EDT 2024. Contains 374360 sequences. (Running on oeis4.)