A183811 - OEIS

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A183811 as a triangular array

1

3 3

9 13 9

27 55 55 27

81 237 322 237 81

243 1011 1953 1953 1011 243

729 4341 11619 16953 11619 4341 729

2187 18567 70044 143191 143191 70044 18567 2187

6561 79605 418925 1232595 1701473 1232595 418925 79605

A183811 as a square array

`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
`3`	`13`	`55`	`237`	`1011`	`4341`	`18567`	`79605`
`9`	`55`	`322`	`1953`	`11619`	`70044`	`418925`
`27`	`237`	`1953`	`16953`	`143191`	`1232595`
`81`	`1011`	`11619`	`143191`	`1701473`
`243`	`4341`	`70044`	`1232595`
`729`	`18567`	`418925`
`2187`	`79605`

A183811 as an upper right triangle

`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
	`3`	`13`	`55`	`237`	`1011`	`4341`	`18567`	`79605`
		`9`	`55`	`322`	`1953`	`11619`	`70044`	`418925`
			`27`	`237`	`1953`	`16953`	`143191`	`1232595`
				`81`	`1011`	`11619`	`143191`	`1701473`
					`243`	`4341`	`70044`	`1232595`
						`729`	`18567`	`418925`
							`2187`	`79605`

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Last modified April 16 01:40 EDT 2024. Contains 371696 sequences. (Running on oeis4.)