A081578 - OEIS

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A081578 as a triangular array

1

1 1

1 5 1

1 9 9 1

1 13 33 13 1

1 17 73 73 17 1

1 21 129 245 129 21 1

1 25 201 593 593 201 25 1

1 29 289 1181 1921 1181 289 29 1

1 33 393 2073 4881 4881 2073 393 33 1

1 37 513 3333 10497 15525 10497 3333 513 37 1

A081578 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`5`	`9`	`13`	`17`	`21`	`25`	`29`	`33`	`37`
`1`	`9`	`33`	`73`	`129`	`201`	`289`	`393`	`513`
`1`	`13`	`73`	`245`	`593`	`1181`	`2073`	`3333`
`1`	`17`	`129`	`593`	`1921`	`4881`	`10497`
`1`	`21`	`201`	`1181`	`4881`	`15525`
`1`	`25`	`289`	`2073`	`10497`
`1`	`29`	`393`	`3333`
`1`	`33`	`513`
`1`	`37`
`1`

A081578 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`5`	`9`	`13`	`17`	`21`	`25`	`29`	`33`	`37`
		`1`	`9`	`33`	`73`	`129`	`201`	`289`	`393`	`513`
			`1`	`13`	`73`	`245`	`593`	`1181`	`2073`	`3333`
				`1`	`17`	`129`	`593`	`1921`	`4881`	`10497`
					`1`	`21`	`201`	`1181`	`4881`	`15525`
						`1`	`25`	`289`	`2073`	`10497`
							`1`	`29`	`393`	`3333`
								`1`	`33`	`513`
									`1`	`37`
										`1`

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Last modified May 23 00:54 EDT 2024. Contains 372758 sequences. (Running on oeis4.)