A327884 - OEIS

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A327884 as a triangular array

1

1 1

2 1 1

5 4 3 1

15 11 9 4 1

52 41 35 20 5 1

203 162 150 90 30 6 1

877 715 672 455 175 42 7 1

4140 3425 3269 2352 1015 280 56 8 1

21147 17722 17271 13132 6237 1890 420 72 9 1

115975 98253 97155 76540 39480 12978 3150 600 90 10 1

A327884 as a square array

`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`	`115975`
`1`	`1`	`4`	`11`	`41`	`162`	`715`	`3425`	`17722`	`98253`
`1`	`3`	`9`	`35`	`150`	`672`	`3269`	`17271`	`97155`
`1`	`4`	`20`	`90`	`455`	`2352`	`13132`	`76540`
`1`	`5`	`30`	`175`	`1015`	`6237`	`39480`
`1`	`6`	`42`	`280`	`1890`	`12978`
`1`	`7`	`56`	`420`	`3150`
`1`	`8`	`72`	`600`
`1`	`9`	`90`
`1`	`10`
`1`

A327884 as an upper right triangle

`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`	`115975`
	`1`	`1`	`4`	`11`	`41`	`162`	`715`	`3425`	`17722`	`98253`
		`1`	`3`	`9`	`35`	`150`	`672`	`3269`	`17271`	`97155`
			`1`	`4`	`20`	`90`	`455`	`2352`	`13132`	`76540`
				`1`	`5`	`30`	`175`	`1015`	`6237`	`39480`
					`1`	`6`	`42`	`280`	`1890`	`12978`
						`1`	`7`	`56`	`420`	`3150`
							`1`	`8`	`72`	`600`
								`1`	`9`	`90`
									`1`	`10`
										`1`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)