A217547 - OEIS

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A217547 as a triangular array

3

3 3

9 3 9

17 9 9 17

37 17 81 17 37

77 37 289 289 37 77

163 77 1369 1401 1369 77 163

343 163 5929 10213 10213 5929 163 343

723 343 26569 64473 128051 64473 26569 343 723

1523 723 117649 431241 1342855 1342855

A217547 as a square array

`3`	`3`	`9`	`17`	`37`	`77`	`163`	`343`	`723`	`1523`
`3`	`3`	`9`	`17`	`37`	`77`	`163`	`343`	`723`
`9`	`9`	`81`	`289`	`1369`	`5929`	`26569`	`117649`
`17`	`17`	`289`	`1401`	`10213`	`64473`	`431241`
`37`	`37`	`1369`	`10213`	`128051`	`1342855`
`77`	`77`	`5929`	`64473`	`1342855`
`163`	`163`	`26569`
`343`	`343`
`723`

A217547 as an upper right triangle

`3`	`3`	`9`	`17`	`37`	`77`	`163`	`343`	`723`	`1523`
	`3`	`3`	`9`	`17`	`37`	`77`	`163`	`343`	`723`
		`9`	`9`	`81`	`289`	`1369`	`5929`	`26569`	`117649`
			`17`	`17`	`289`	`1401`	`10213`	`64473`	`431241`
				`37`	`37`	`1369`	`10213`	`128051`	`1342855`
					`77`	`77`	`5929`	`64473`	`1342855`
						`163`	`163`	`26569`
							`343`	`343`
								`723`

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)