A205550 - OEIS

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A205550 as a triangular array

1

3 3

5 1 5

7 10 10 7

9 35 1 35 9

11 84 21 21 84 11

13 165 126 1 126 165 13

15 286 462 36 36 462 286 15

17 455 1287 330 1 330 1287 455 17

19 680 3003 1716 55 55 1716 3003 680 19

21 969 6188 6435 715

A205550 as a square array

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
`3`	`1`	`10`	`35`	`84`	`165`	`286`	`455`	`680`	`969`
`5`	`10`	`1`	`21`	`126`	`462`	`1287`	`3003`	`6188`
`7`	`35`	`21`	`1`	`36`	`330`	`1716`	`6435`
`9`	`84`	`126`	`36`	`1`	`55`	`715`
`11`	`165`	`462`	`330`	`55`
`13`	`286`	`1287`	`1716`
`15`	`455`	`3003`
`17`	`680`
`19`

A205550 as an upper right triangle

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
	`3`	`1`	`10`	`35`	`84`	`165`	`286`	`455`	`680`	`969`
		`5`	`10`	`1`	`21`	`126`	`462`	`1287`	`3003`	`6188`
			`7`	`35`	`21`	`1`	`36`	`330`	`1716`	`6435`
				`9`	`84`	`126`	`36`	`1`	`55`	`715`
					`11`	`165`	`462`	`330`	`55`
						`13`	`286`	`1287`	`1716`
							`15`	`455`	`3003`
								`17`	`680`
									`19`

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)