A181886 - OEIS

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A181886 as a triangular array

0

1 0

5 3 0

22 15 4 0

94 66 21 6 0

399 282 92 31 8 0

1691 1197 393 137 41 9 0

7164 5073 1668 586 181 47 11 0

30348 21492 7069 2488 773 208 57 12 0

128557 91044

A181886 as a square array

`0`	`1`	`5`	`22`	`94`	`399`	`1691`	`7164`	`30348`	`128557`
`0`	`3`	`15`	`66`	`282`	`1197`	`5073`	`21492`	`91044`
`0`	`4`	`21`	`92`	`393`	`1668`	`7069`
`0`	`6`	`31`	`137`	`586`	`2488`
`0`	`8`	`41`	`181`	`773`
`0`	`9`	`47`	`208`
`0`	`11`	`57`
`0`	`12`
`0`

A181886 as an upper right triangle

`0`	`1`	`5`	`22`	`94`	`399`	`1691`	`7164`	`30348`	`128557`
	`0`	`3`	`15`	`66`	`282`	`1197`	`5073`	`21492`	`91044`
		`0`	`4`	`21`	`92`	`393`	`1668`	`7069`
			`0`	`6`	`31`	`137`	`586`	`2488`
				`0`	`8`	`41`	`181`	`773`
					`0`	`9`	`47`	`208`
						`0`	`11`	`57`
							`0`	`12`
								`0`

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)