A157396 - OEIS

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A157396 as a triangular array

1

1 6

1 18 66

1 144 264 1056

1 600 4620 5280 22176

1 4950 68640 110880 133056 576576

1 26586 639870 3141600 3259872 4036032 17873856

1 234528 10759056 69263040 105557760 113008896 142990848

A157396 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`6`	`18`	`144`	`600`	`4950`	`26586`	`234528`
`66`	`264`	`4620`	`68640`	`639870`	`10759056`
`1056`	`5280`	`110880`	`3141600`	`69263040`
`22176`	`133056`	`3259872`	`105557760`
`576576`	`4036032`	`113008896`
`17873856`	`142990848`

A157396 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`6`	`18`	`144`	`600`	`4950`	`26586`	`234528`
		`66`	`264`	`4620`	`68640`	`639870`	`10759056`
			`1056`	`5280`	`110880`	`3141600`	`69263040`
				`22176`	`133056`	`3259872`	`105557760`
					`576576`	`4036032`	`113008896`
						`17873856`	`142990848`

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Last modified May 20 01:45 EDT 2024. Contains 372703 sequences. (Running on oeis4.)