A113647 - OEIS

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A113647 as a triangular array

1

1 3

1 7 13

1 15 41 67

1 31 113 247 381

1 63 289 783 1545 2307

1 127 705 2271 5361 9975 14589

1 255 1665 6207 16929 36879 66057 95235

1 511 3841 16255 50113 123871 255985 446455 636925

1 1023 8705 41215 141441

A113647 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`
`13`	`41`	`113`	`289`	`705`	`1665`	`3841`	`8705`
`67`	`247`	`783`	`2271`	`6207`	`16255`	`41215`
`381`	`1545`	`5361`	`16929`	`50113`	`141441`
`2307`	`9975`	`36879`	`123871`
`14589`	`66057`	`255985`
`95235`	`446455`
`636925`

A113647 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`	`1023`
		`13`	`41`	`113`	`289`	`705`	`1665`	`3841`	`8705`
			`67`	`247`	`783`	`2271`	`6207`	`16255`	`41215`
				`381`	`1545`	`5361`	`16929`	`50113`	`141441`
					`2307`	`9975`	`36879`	`123871`
						`14589`	`66057`	`255985`
							`95235`	`446455`
								`636925`

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)