A171824 - OEIS

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A171824 as a triangular array

2

3 3

7 6 7

21 14 14 21

71 40 30 40 71

253 132 77 77 132 253

925 469 238 168 238 469 925

3433 1724 828 450 450 828 1724 3433

12871 6444 3048 1452 990 1452 3048 6444 12871

48621 24320 11495 5225 2717 2717 5225 11495 24320 48621

A171824 as a square array

`2`	`3`	`7`	`21`	`71`	`253`	`925`	`3433`	`12871`	`48621`
`3`	`6`	`14`	`40`	`132`	`469`	`1724`	`6444`	`24320`
`7`	`14`	`30`	`77`	`238`	`828`	`3048`	`11495`
`21`	`40`	`77`	`168`	`450`	`1452`	`5225`
`71`	`132`	`238`	`450`	`990`	`2717`
`253`	`469`	`828`	`1452`	`2717`
`925`	`1724`	`3048`	`5225`
`3433`	`6444`	`11495`
`12871`	`24320`
`48621`

A171824 as an upper right triangle

`2`	`3`	`7`	`21`	`71`	`253`	`925`	`3433`	`12871`	`48621`
	`3`	`6`	`14`	`40`	`132`	`469`	`1724`	`6444`	`24320`
		`7`	`14`	`30`	`77`	`238`	`828`	`3048`	`11495`
			`21`	`40`	`77`	`168`	`450`	`1452`	`5225`
				`71`	`132`	`238`	`450`	`990`	`2717`
					`253`	`469`	`828`	`1452`	`2717`
						`925`	`1724`	`3048`	`5225`
							`3433`	`6444`	`11495`
								`12871`	`24320`
									`48621`

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Last modified April 18 18:10 EDT 2024. Contains 371781 sequences. (Running on oeis4.)