A033306 - OEIS

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A033306 as a triangular array

1

1 1

2 2 2

5 6 6 5

15 20 24 20 15

52 75 100 100 75 52

203 312 450 500 450 312 203

877 1421 2184 2625 2625 2184 1421 877

4140 7016 11368 14560 15750 14560 11368 7016 4140

21147 37260 63144 85260 98280 98280 85260 63144 37260 21147

A033306 as a square array

`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
`1`	`2`	`6`	`20`	`75`	`312`	`1421`	`7016`	`37260`
`2`	`6`	`24`	`100`	`450`	`2184`	`11368`	`63144`
`5`	`20`	`100`	`500`	`2625`	`14560`	`85260`
`15`	`75`	`450`	`2625`	`15750`	`98280`
`52`	`312`	`2184`	`14560`	`98280`
`203`	`1421`	`11368`	`85260`
`877`	`7016`	`63144`
`4140`	`37260`
`21147`

A033306 as an upper right triangle

`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
	`1`	`2`	`6`	`20`	`75`	`312`	`1421`	`7016`	`37260`
		`2`	`6`	`24`	`100`	`450`	`2184`	`11368`	`63144`
			`5`	`20`	`100`	`500`	`2625`	`14560`	`85260`
				`15`	`75`	`450`	`2625`	`15750`	`98280`
					`52`	`312`	`2184`	`14560`	`98280`
						`203`	`1421`	`11368`	`85260`
							`877`	`7016`	`63144`
								`4140`	`37260`
									`21147`

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Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)