A201384 - OEIS

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A201384 as a triangular array

2

1 1

2 3 2

1 4 4 1

2 7 19 7 2

1 9 27 27 9 1

2 13 115 121 115 13 2

1 16 122 483 483 122 16 1

2 21 467 1751 7148 1751 467 21 2

1 25 433 5694 24779 24779 5694 433 25 1

2 31 1461 16870 295813 326650 295813 16870

A201384 as a square array

`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`
`1`	`3`	`4`	`7`	`9`	`13`	`16`	`21`	`25`	`31`
`2`	`4`	`19`	`27`	`115`	`122`	`467`	`433`	`1461`
`1`	`7`	`27`	`121`	`483`	`1751`	`5694`	`16870`
`2`	`9`	`115`	`483`	`7148`	`24779`	`295813`
`1`	`13`	`122`	`1751`	`24779`	`326650`
`2`	`16`	`467`	`5694`	`295813`
`1`	`21`	`433`	`16870`
`2`	`25`
`1`

A201384 as an upper right triangle

`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`	`1`	`2`
	`1`	`3`	`4`	`7`	`9`	`13`	`16`	`21`	`25`	`31`
		`2`	`4`	`19`	`27`	`115`	`122`	`467`	`433`	`1461`
			`1`	`7`	`27`	`121`	`483`	`1751`	`5694`	`16870`
				`2`	`9`	`115`	`483`	`7148`	`24779`	`295813`
					`1`	`13`	`122`	`1751`	`24779`	`326650`
						`2`	`16`	`467`	`5694`	`295813`
							`1`	`21`	`433`	`16870`
								`2`	`25`
									`1`

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)