A204740 - OEIS

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A204740 as a triangular array

7

15 15

31 43 31

63 115 115 63

127 304 409 304 127

255 787 1389 1389 787 255

511 2033 4658 6176 4658 2033 511

1023 5219 15327 26680 26680 15327 5219 1023

2047 13398 50177 113694 150132 113694 50177 13398 2047

A204740 as a square array

`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`	`2047`
`15`	`43`	`115`	`304`	`787`	`2033`	`5219`	`13398`
`31`	`115`	`409`	`1389`	`4658`	`15327`	`50177`
`63`	`304`	`1389`	`6176`	`26680`	`113694`
`127`	`787`	`4658`	`26680`	`150132`
`255`	`2033`	`15327`	`113694`
`511`	`5219`	`50177`
`1023`	`13398`
`2047`

A204740 as an upper right triangle

`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`	`2047`
	`15`	`43`	`115`	`304`	`787`	`2033`	`5219`	`13398`
		`31`	`115`	`409`	`1389`	`4658`	`15327`	`50177`
			`63`	`304`	`1389`	`6176`	`26680`	`113694`
				`127`	`787`	`4658`	`26680`	`150132`
					`255`	`2033`	`15327`	`113694`
						`511`	`5219`	`50177`
							`1023`	`13398`
								`2047`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)