A221925 - OEIS

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A221925 as a triangular array

1

3 3

6 35 6

13 350 350 13

28 3487 13228 3487 28

60 34714 508281 508281 34714 60

129 345744 19513309 75313013 19513309 345744 129

277 3443699 749481703 11143187999 11143187999 749481703 3443699 277

595 34300167

A221925 as a square array

`1`	`3`	`6`	`13`	`28`	`60`	`129`	`277`	`595`
`3`	`35`	`350`	`3487`	`34714`	`345744`	`3443699`	`34300167`
`6`	`350`	`13228`	`508281`	`19513309`	`749481703`
`13`	`3487`	`508281`	`75313013`	`11143187999`
`28`	`34714`	`19513309`	`11143187999`
`60`	`345744`	`749481703`
`129`	`3443699`
`277`

A221925 as an upper right triangle

`1`	`3`	`6`	`13`	`28`	`60`	`129`	`277`	`595`
	`3`	`35`	`350`	`3487`	`34714`	`345744`	`3443699`	`34300167`
		`6`	`350`	`13228`	`508281`	`19513309`	`749481703`
			`13`	`3487`	`508281`	`75313013`	`11143187999`
				`28`	`34714`	`19513309`	`11143187999`
					`60`	`345744`	`749481703`
						`129`	`3443699`
							`277`

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)