A245789 - OEIS

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A245789 as a triangular array

1

1 3

1 9 7

1 27 49 15

1 81 343 225 31

1 243 2401 3375 961 63

1 729 16807 50625 29791 3969 127

1 2187 117649 759375 923521 250047 16129 255

1 6561 823543 11390625 28629151 15752961 2048383 65025 511

A245789 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
`7`	`49`	`343`	`2401`	`16807`	`117649`	`823543`
`15`	`225`	`3375`	`50625`	`759375`	`11390625`
`31`	`961`	`29791`	`923521`	`28629151`
`63`	`3969`	`250047`	`15752961`
`127`	`16129`	`2048383`
`255`	`65025`
`511`

A245789 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
		`7`	`49`	`343`	`2401`	`16807`	`117649`	`823543`
			`15`	`225`	`3375`	`50625`	`759375`	`11390625`
				`31`	`961`	`29791`	`923521`	`28629151`
					`63`	`3969`	`250047`	`15752961`
						`127`	`16129`	`2048383`
							`255`	`65025`
								`511`

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Last modified June 10 00:22 EDT 2024. Contains 373251 sequences. (Running on oeis4.)