A019538 as tables, graphs or sounds - OEIS

A019538 formatted as a triangular array:

1

1 2

1 6 6

1 14 36 24

1 30 150 240 120

1 62 540 1560 1800 720

1 126 1806 8400 16800 15120 5040

1 254 5796 40824 126000 191520 141120 40320

1 510 18150 186480 834120 1905120 2328480 1451520 362880

A019538 formatted as a square array:

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`14`	`30`	`62`	`126`	`254`	`510`
`6`	`36`	`150`	`540`	`1806`	`5796`	`18150`
`24`	`240`	`1560`	`8400`	`40824`	`186480`
`120`	`1800`	`16800`	`126000`	`834120`
`720`	`15120`	`191520`	`1905120`
`5040`	`141120`	`2328480`
`40320`	`1451520`
`362880`

A019538 formatted as an upper right triangle:

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`14`	`30`	`62`	`126`	`254`	`510`
		`6`	`36`	`150`	`540`	`1806`	`5796`	`18150`
			`24`	`240`	`1560`	`8400`	`40824`	`186480`
				`120`	`1800`	`16800`	`126000`	`834120`
					`720`	`15120`	`191520`	`1905120`
						`5040`	`141120`	`2328480`
							`40320`	`1451520`
								`362880`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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