A205520 - OEIS

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A205520 as a triangular array

81

360 360

1683 2412 1683

7572 17166 17166 7572

35577 122232 205803 122232 35577

160218 864948 2343348 2343348 864948 160218

750426 6127554 27630789 44160240 27630789 6127554 750426

3387924 43434216 312856410

A205520 as a square array

`81`	`360`	`1683`	`7572`	`35577`	`160218`	`750426`	`3387924`
`360`	`2412`	`17166`	`122232`	`864948`	`6127554`	`43434216`
`1683`	`17166`	`205803`	`2343348`	`27630789`	`312856410`
`7572`	`122232`	`2343348`	`44160240`
`35577`	`864948`	`27630789`
`160218`	`6127554`
`750426`

A205520 as an upper right triangle

`81`	`360`	`1683`	`7572`	`35577`	`160218`	`750426`	`3387924`
	`360`	`2412`	`17166`	`122232`	`864948`	`6127554`	`43434216`
		`1683`	`17166`	`205803`	`2343348`	`27630789`	`312856410`
			`7572`	`122232`	`2343348`	`44160240`
				`35577`	`864948`	`27630789`
					`160218`	`6127554`
						`750426`

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Last modified September 12 19:13 EDT 2024. Contains 375853 sequences. (Running on oeis4.)