A144254 - OEIS

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A144254 as a triangular array

1

2 1

3 4 3

4 10 18 10

5 20 63 80 42

6 35 168 360 420 210

7 56 378 1200 2310 2520 1199

8 84 756 3300 9240 16380 16786 7670

9 120 1386 7920 30030 76440 125895 122720 54224

10 165 2376 17160 84084 286650

A144254 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
`3`	`18`	`63`	`168`	`378`	`756`	`1386`	`2376`
`10`	`80`	`360`	`1200`	`3300`	`7920`	`17160`
`42`	`420`	`2310`	`9240`	`30030`	`84084`
`210`	`2520`	`16380`	`76440`	`286650`
`1199`	`16786`	`125895`
`7670`	`122720`
`54224`

A144254 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
		`3`	`18`	`63`	`168`	`378`	`756`	`1386`	`2376`
			`10`	`80`	`360`	`1200`	`3300`	`7920`	`17160`
				`42`	`420`	`2310`	`9240`	`30030`	`84084`
					`210`	`2520`	`16380`	`76440`	`286650`
						`1199`	`16786`	`125895`
							`7670`	`122720`
								`54224`

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Last modified April 19 08:39 EDT 2024. Contains 371782 sequences. (Running on oeis4.)