A156220 - OEIS

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A156220 as a triangular array

-2

-2 3

-2 3 -1

-2 3 -1 109

-2 3 -1 325 1555523

-2 3 -1 973 32671835 49621794478165

-2 3 -1 2917 686126051 15630874866123949 27744919164118690798376051

-2 3 -1 8749 14408699579 4923725784550050421 270929135785330782929292449579 2134369240927848351630724472718209102550421

A156220 as a square array

`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`
`3`	`3`	`3`	`3`	`3`	`3`	`3`
`-1`	`-1`	`-1`	`-1`	`-1`	`-1`
`109`	`325`	`973`	`2917`	`8749`
`1555523`	`32671835`	`686126051`	`14408699579`
`49621794478165`	`15630874866123949`	`4923725784550050421`
`27744919164118690798376051`	`270929135785330782929292449579`
`2134369240927848351630724472718209102550421`

A156220 as an upper right triangle

`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`
	`3`	`3`	`3`	`3`	`3`	`3`	`3`
		`-1`	`-1`	`-1`	`-1`	`-1`	`-1`
			`109`	`325`	`973`	`2917`	`8749`
				`1555523`	`32671835`	`686126051`	`14408699579`
					`49621794478165`	`15630874866123949`	`4923725784550050421`
						`27744919164118690798376051`	`270929135785330782929292449579`
							`2134369240927848351630724472718209102550421`

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)