A140047 - OEIS

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A140047 as a triangular array

1

2 3

4 14 70

8 60 620 7200

16 248 5208 123008 3098760

32 1008 42672 2032128 103223568 5461682688

64 4064 345440 33032192 3369214496 357969864704 39119789090720

128 16320 2779840 532684800 108880217152

A140047 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`
`3`	`14`	`60`	`248`	`1008`	`4064`	`16320`
`70`	`620`	`5208`	`42672`	`345440`	`2779840`
`7200`	`123008`	`2032128`	`33032192`	`532684800`
`3098760`	`103223568`	`3369214496`	`108880217152`
`5461682688`	`357969864704`
`39119789090720`

A140047 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`
	`3`	`14`	`60`	`248`	`1008`	`4064`	`16320`
		`70`	`620`	`5208`	`42672`	`345440`	`2779840`
			`7200`	`123008`	`2032128`	`33032192`	`532684800`
				`3098760`	`103223568`	`3369214496`	`108880217152`
					`5461682688`	`357969864704`
						`39119789090720`

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Last modified April 24 10:49 EDT 2024. Contains 371935 sequences. (Running on oeis4.)