A293961 - OEIS

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A293961 as a triangular array

1

0 1

0 1 2

0 1 4 10

0 1 10 24 70

0 1 20 82 212 630

0 1 42 300 798 2324 6930

0 1 84 894 3800 10078 30188 90090

0 1 170 2744 18186 51804 150046 452724 1351350

0 1 340 8594 71624 313006 851692 2545390 7695828 22972950

A293961 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`10`	`20`	`42`	`84`	`170`	`340`
`10`	`24`	`82`	`300`	`894`	`2744`	`8594`
`70`	`212`	`798`	`3800`	`18186`	`71624`
`630`	`2324`	`10078`	`51804`	`313006`
`6930`	`30188`	`150046`	`851692`
`90090`	`452724`	`2545390`
`1351350`	`7695828`
`22972950`

A293961 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`2`	`4`	`10`	`20`	`42`	`84`	`170`	`340`
			`10`	`24`	`82`	`300`	`894`	`2744`	`8594`
				`70`	`212`	`798`	`3800`	`18186`	`71624`
					`630`	`2324`	`10078`	`51804`	`313006`
						`6930`	`30188`	`150046`	`851692`
							`90090`	`452724`	`2545390`
								`1351350`	`7695828`
									`22972950`

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Last modified September 16 09:24 EDT 2024. Contains 375965 sequences. (Running on oeis4.)