A055373 - OEIS

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A055373 as a triangular array

1

1 1

3 6 3

9 27 27 9

27 108 162 108 27

81 405 810 810 405 81

243 1458 3645 4860 3645 1458 243

729 5103 15309 25515 25515 15309 5103 729

2187 17496 61236 122472 153090 122472 61236 17496 2187

6561

A055373 as a square array

`1`	`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
`1`	`6`	`27`	`108`	`405`	`1458`	`5103`	`17496`
`3`	`27`	`162`	`810`	`3645`	`15309`	`61236`
`9`	`108`	`810`	`4860`	`25515`	`122472`
`27`	`405`	`3645`	`25515`	`153090`
`81`	`1458`	`15309`	`122472`
`243`	`5103`	`61236`
`729`	`17496`
`2187`

A055373 as an upper right triangle

`1`	`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
	`1`	`6`	`27`	`108`	`405`	`1458`	`5103`	`17496`
		`3`	`27`	`162`	`810`	`3645`	`15309`	`61236`
			`9`	`108`	`810`	`4860`	`25515`	`122472`
				`27`	`405`	`3645`	`25515`	`153090`
					`81`	`1458`	`15309`	`122472`
						`243`	`5103`	`61236`
							`729`	`17496`
								`2187`

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)