A209054 - OEIS

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A209054 as a triangular array

1

2 2

5 13 5

12 115 115 12

33 1468 5822 1468 33

99 22738 459808 459808 22738 99

319 415695 49062184 245980249 49062184 415695 319

980 7893620

A209054 as a square array

`1`	`2`	`5`	`12`	`33`	`99`	`319`	`980`
`2`	`13`	`115`	`1468`	`22738`	`415695`	`7893620`
`5`	`115`	`5822`	`459808`	`49062184`
`12`	`1468`	`459808`	`245980249`
`33`	`22738`	`49062184`
`99`	`415695`
`319`

A209054 as an upper right triangle

`1`	`2`	`5`	`12`	`33`	`99`	`319`	`980`
	`2`	`13`	`115`	`1468`	`22738`	`415695`	`7893620`
		`5`	`115`	`5822`	`459808`	`49062184`
			`12`	`1468`	`459808`	`245980249`
				`33`	`22738`	`49062184`
					`99`	`415695`
						`319`

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Last modified April 19 08:39 EDT 2024. Contains 371782 sequences. (Running on oeis4.)