A280673 - OEIS

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A280673 as a triangular array

1

2 2

4 11 5

11 59 82 14

30 338 858 612 41

82 1917 10205 12484 4568 122

224 10893 119440 310365 181640 34096 365

612 61880 1401470 7533245 9439606 2642832 254496 1094

1672 351541 16438612 183331502 474736149

A280673 as a square array

`1`	`2`	`4`	`11`	`30`	`82`	`224`	`612`	`1672`
`2`	`11`	`59`	`338`	`1917`	`10893`	`61880`	`351541`
`5`	`82`	`858`	`10205`	`119440`	`1401470`	`16438612`
`14`	`612`	`12484`	`310365`	`7533245`	`183331502`
`41`	`4568`	`181640`	`9439606`	`474736149`
`122`	`34096`	`2642832`
`365`	`254496`
`1094`

A280673 as an upper right triangle

`1`	`2`	`4`	`11`	`30`	`82`	`224`	`612`	`1672`
	`2`	`11`	`59`	`338`	`1917`	`10893`	`61880`	`351541`
		`5`	`82`	`858`	`10205`	`119440`	`1401470`	`16438612`
			`14`	`612`	`12484`	`310365`	`7533245`	`183331502`
				`41`	`4568`	`181640`	`9439606`	`474736149`
					`122`	`34096`	`2642832`
						`365`	`254496`
							`1094`

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)