A156995 - OEIS

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A156995 as a triangular array

2

1 2

2 4 2

6 12 9 2

24 48 40 16 2

120 240 210 100 25 2

720 1440 1296 672 210 36 2

5040 10080 9240 5040 1764 392 49 2

40320 80640 74880 42240 15840 4032 672 64 2

362880 725760 680400 393120 154440 42768

A156995 as a square array

`2`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
`2`	`4`	`12`	`48`	`240`	`1440`	`10080`	`80640`	`725760`
`2`	`9`	`40`	`210`	`1296`	`9240`	`74880`	`680400`
`2`	`16`	`100`	`672`	`5040`	`42240`	`393120`
`2`	`25`	`210`	`1764`	`15840`	`154440`
`2`	`36`	`392`	`4032`	`42768`
`2`	`49`	`672`
`2`	`64`
`2`

A156995 as an upper right triangle

`2`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
	`2`	`4`	`12`	`48`	`240`	`1440`	`10080`	`80640`	`725760`
		`2`	`9`	`40`	`210`	`1296`	`9240`	`74880`	`680400`
			`2`	`16`	`100`	`672`	`5040`	`42240`	`393120`
				`2`	`25`	`210`	`1764`	`15840`	`154440`
					`2`	`36`	`392`	`4032`	`42768`
						`2`	`49`	`672`
							`2`	`64`
								`2`

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Last modified August 11 23:09 EDT 2024. Contains 375079 sequences. (Running on oeis4.)