A209394 - OEIS

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A209394 as a triangular array

0

1 1

1 2 1

3 16 16 3

3 152 488 152 3

13 1449 22416 22416 1449 13

16 11655 978956 4488765 978956 11655 16

42 89469 32651213 816320455 816320455 32651213 89469 42

74 705803 1094498759

A209394 as a square array

`0`	`1`	`1`	`3`	`3`	`13`	`16`	`42`	`74`
`1`	`2`	`16`	`152`	`1449`	`11655`	`89469`	`705803`
`1`	`16`	`488`	`22416`	`978956`	`32651213`	`1094498759`
`3`	`152`	`22416`	`4488765`	`816320455`
`3`	`1449`	`978956`	`816320455`
`13`	`11655`	`32651213`
`16`	`89469`
`42`

A209394 as an upper right triangle

`0`	`1`	`1`	`3`	`3`	`13`	`16`	`42`	`74`
	`1`	`2`	`16`	`152`	`1449`	`11655`	`89469`	`705803`
		`1`	`16`	`488`	`22416`	`978956`	`32651213`	`1094498759`
			`3`	`152`	`22416`	`4488765`	`816320455`
				`3`	`1449`	`978956`	`816320455`
					`13`	`11655`	`32651213`
						`16`	`89469`
							`42`

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Last modified September 30 06:20 EDT 2023. Contains 365781 sequences. (Running on oeis4.)