A063180 - OEIS

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A063180 as a triangular array

1

0 1

0 1 2

0 2 3 4

0 4 7 10 12

0 12 22 31 38 42

0 42 80 115 144 166 178

0 178 344 500 637 748 828 870

0 870 1698 2488 3205 3820 4308 4652 4830

0 4830 9482 13968 18132

A063180 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`4`	`12`	`42`	`178`	`870`	`4830`
`2`	`3`	`7`	`22`	`80`	`344`	`1698`	`9482`
`4`	`10`	`31`	`115`	`500`	`2488`	`13968`
`12`	`38`	`144`	`637`	`3205`	`18132`
`42`	`166`	`748`	`3820`
`178`	`828`	`4308`
`870`	`4652`
`4830`

A063180 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`4`	`12`	`42`	`178`	`870`	`4830`
		`2`	`3`	`7`	`22`	`80`	`344`	`1698`	`9482`
			`4`	`10`	`31`	`115`	`500`	`2488`	`13968`
				`12`	`38`	`144`	`637`	`3205`	`18132`
					`42`	`166`	`748`	`3820`
						`178`	`828`	`4308`
							`870`	`4652`
								`4830`

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Last modified May 23 23:29 EDT 2013. Contains 225613 sequences.