A203101 - OEIS

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A203101 as a triangular array

1

4 4

16 84 16

50 1080 1080 50

144 12260 48552 12260 144

422 143510 2029744 2029744 143510 422

1268 1705124 87531478 308642476 87531478 1705124 1268

3823 20174774 3790420430 48260497186 48260497186

A203101 as a square array

`1`	`4`	`16`	`50`	`144`	`422`	`1268`	`3823`
`4`	`84`	`1080`	`12260`	`143510`	`1705124`	`20174774`
`16`	`1080`	`48552`	`2029744`	`87531478`	`3790420430`
`50`	`12260`	`2029744`	`308642476`	`48260497186`
`144`	`143510`	`87531478`	`48260497186`
`422`	`1705124`
`1268`

A203101 as an upper right triangle

`1`	`4`	`16`	`50`	`144`	`422`	`1268`	`3823`
	`4`	`84`	`1080`	`12260`	`143510`	`1705124`	`20174774`
		`16`	`1080`	`48552`	`2029744`	`87531478`	`3790420430`
			`50`	`12260`	`2029744`	`308642476`	`48260497186`
				`144`	`143510`	`87531478`	`48260497186`
					`422`	`1705124`
						`1268`

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Last modified August 20 00:15 EDT 2024. Contains 375310 sequences. (Running on oeis4.)