A215080 - OEIS

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A215080 as a triangular array

1

0 1

0 1 6

0 1 11 54

0 1 20 151 680

0 1 37 413 2569 11000

0 1 70 1128 9450 52431 217392

0 1 135 3104 34416 243255 1251921 5076400

0 1 264 8637 125248 1113027 7025016 34282879 136761984

0 1 521 24327 457807 5064143 38811015 225930121 1059812993 4175432064

0 1 1034 69334 1685266 23031680 212609518 1465077802 8026643702 36519075583 142469423360

A215080 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`6`	`11`	`20`	`37`	`70`	`135`	`264`	`521`	`1034`
`54`	`151`	`413`	`1128`	`3104`	`8637`	`24327`	`69334`
`680`	`2569`	`9450`	`34416`	`125248`	`457807`	`1685266`
`11000`	`52431`	`243255`	`1113027`	`5064143`	`23031680`
`217392`	`1251921`	`7025016`	`38811015`	`212609518`
`5076400`	`34282879`	`225930121`	`1465077802`
`136761984`	`1059812993`	`8026643702`
`4175432064`	`36519075583`
`142469423360`

A215080 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`6`	`11`	`20`	`37`	`70`	`135`	`264`	`521`	`1034`
			`54`	`151`	`413`	`1128`	`3104`	`8637`	`24327`	`69334`
				`680`	`2569`	`9450`	`34416`	`125248`	`457807`	`1685266`
					`11000`	`52431`	`243255`	`1113027`	`5064143`	`23031680`
						`217392`	`1251921`	`7025016`	`38811015`	`212609518`
							`5076400`	`34282879`	`225930121`	`1465077802`
								`136761984`	`1059812993`	`8026643702`
									`4175432064`	`36519075583`
										`142469423360`

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Last modified May 4 09:24 EDT 2024. Contains 372230 sequences. (Running on oeis4.)