A203550 - OEIS

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A203550 as a triangular array

1

1 1

1 25 1

1 430 430 1

1 4773 32920 4773 1

1 48046 1525965 1525965 48046 1

1 504464 67657718 276550270 67657718 504464 1

1 5448482 3251156731 48904258294 48904258294 3251156731 5448482 1

1 58647145

A203550 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`25`	`430`	`4773`	`48046`	`504464`	`5448482`	`58647145`
`1`	`430`	`32920`	`1525965`	`67657718`	`3251156731`
`1`	`4773`	`1525965`	`276550270`	`48904258294`
`1`	`48046`	`67657718`	`48904258294`
`1`	`504464`	`3251156731`
`1`	`5448482`
`1`

A203550 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`25`	`430`	`4773`	`48046`	`504464`	`5448482`	`58647145`
		`1`	`430`	`32920`	`1525965`	`67657718`	`3251156731`
			`1`	`4773`	`1525965`	`276550270`	`48904258294`
				`1`	`48046`	`67657718`	`48904258294`
					`1`	`504464`	`3251156731`
						`1`	`5448482`
							`1`

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Last modified June 4 17:11 EDT 2024. Contains 373102 sequences. (Running on oeis4.)