A223406 - OEIS

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A223406 as a triangular array

4

16 16

36 256 36

150 1296 1296 150

558 22500 11254 22500 558

2126 311364 449810 449810 311364 2126

8480 4519876 13266784 75789786 13266784 4519876 8480

33639 71910400 417523315 8686866986 8686866986

A223406 as a square array

`4`	`16`	`36`	`150`	`558`	`2126`	`8480`	`33639`
`16`	`256`	`1296`	`22500`	`311364`	`4519876`	`71910400`
`36`	`1296`	`11254`	`449810`	`13266784`	`417523315`
`150`	`22500`	`449810`	`75789786`	`8686866986`
`558`	`311364`	`13266784`	`8686866986`
`2126`	`4519876`
`8480`

A223406 as an upper right triangle

`4`	`16`	`36`	`150`	`558`	`2126`	`8480`	`33639`
	`16`	`256`	`1296`	`22500`	`311364`	`4519876`	`71910400`
		`36`	`1296`	`11254`	`449810`	`13266784`	`417523315`
			`150`	`22500`	`449810`	`75789786`	`8686866986`
				`558`	`311364`	`13266784`	`8686866986`
					`2126`	`4519876`
						`8480`

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)