A109767 - OEIS

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A109767 as a triangular array

1

2 2

12 12 4

120 120 48 8

1680 1680 720 160 16

30240 30240 13440 3360 480 32

665280 665280 302400 80640 13440 1344 64

17297280 17297280 7983360 2217600 403200 48384 3584 128

518918400 518918400

A109767 as a square array

`1`	`2`	`12`	`120`	`1680`	`30240`	`665280`	`17297280`	`518918400`
`2`	`12`	`120`	`1680`	`30240`	`665280`	`17297280`	`518918400`
`4`	`48`	`720`	`13440`	`302400`	`7983360`
`8`	`160`	`3360`	`80640`	`2217600`
`16`	`480`	`13440`	`403200`
`32`	`1344`	`48384`
`64`	`3584`
`128`

A109767 as an upper right triangle

`1`	`2`	`12`	`120`	`1680`	`30240`	`665280`	`17297280`	`518918400`
	`2`	`12`	`120`	`1680`	`30240`	`665280`	`17297280`	`518918400`
		`4`	`48`	`720`	`13440`	`302400`	`7983360`
			`8`	`160`	`3360`	`80640`	`2217600`
				`16`	`480`	`13440`	`403200`
					`32`	`1344`	`48384`
						`64`	`3584`
							`128`

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)