A199400 - OEIS

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A199400 as a triangular array

1

2 2

4 10 6

8 38 54 24

16 130 330 336 120

32 422 1710 3000 2400 720

64 1330 8106 21840 29400 19440 5040

128 4118 36414 141624 285600 312480 176400 40320

256 12610 158010 853776 2421720 3900960 3598560 1774080 362880

A199400 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
`2`	`10`	`38`	`130`	`422`	`1330`	`4118`	`12610`
`6`	`54`	`330`	`1710`	`8106`	`36414`	`158010`
`24`	`336`	`3000`	`21840`	`141624`	`853776`
`120`	`2400`	`29400`	`285600`	`2421720`
`720`	`19440`	`312480`	`3900960`
`5040`	`176400`	`3598560`
`40320`	`1774080`
`362880`

A199400 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
	`2`	`10`	`38`	`130`	`422`	`1330`	`4118`	`12610`
		`6`	`54`	`330`	`1710`	`8106`	`36414`	`158010`
			`24`	`336`	`3000`	`21840`	`141624`	`853776`
				`120`	`2400`	`29400`	`285600`	`2421720`
					`720`	`19440`	`312480`	`3900960`
						`5040`	`176400`	`3598560`
							`40320`	`1774080`
								`362880`

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Last modified April 19 17:51 EDT 2024. Contains 371797 sequences. (Running on oeis4.)