A268169 - OEIS

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A268169 as a triangular array

1

4 4

15 64 15

55 900 900 55

197 12100 44517 12100 197

695 155236 2059071 2059071 155236 695

2421 1932100 88808673 320575732 88808673 1932100 2421

8351 23444964 3660830427 45491100473 45491100473

A268169 as a square array

`1`	`4`	`15`	`55`	`197`	`695`	`2421`	`8351`
`4`	`64`	`900`	`12100`	`155236`	`1932100`	`23444964`
`15`	`900`	`44517`	`2059071`	`88808673`	`3660830427`
`55`	`12100`	`2059071`	`320575732`	`45491100473`
`197`	`155236`	`88808673`	`45491100473`
`695`	`1932100`
`2421`

A268169 as an upper right triangle

`1`	`4`	`15`	`55`	`197`	`695`	`2421`	`8351`
	`4`	`64`	`900`	`12100`	`155236`	`1932100`	`23444964`
		`15`	`900`	`44517`	`2059071`	`88808673`	`3660830427`
			`55`	`12100`	`2059071`	`320575732`	`45491100473`
				`197`	`155236`	`88808673`	`45491100473`
					`695`	`1932100`
						`2421`

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)