A048993 - OEIS

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A048993 as a triangular array

1

0 1

0 1 1

0 1 3 1

0 1 7 6 1

0 1 15 25 10 1

0 1 31 90 65 15 1

0 1 63 301 350 140 21 1

0 1 127 966 1701 1050 266 28 1

0 1 255 3025 7770 6951 2646 462 36 1

0 1 511 9330 34105 42525 22827 5880 750 45 1

A048993 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`
`1`	`6`	`25`	`90`	`301`	`966`	`3025`	`9330`
`1`	`10`	`65`	`350`	`1701`	`7770`	`34105`
`1`	`15`	`140`	`1050`	`6951`	`42525`
`1`	`21`	`266`	`2646`	`22827`
`1`	`28`	`462`	`5880`
`1`	`36`	`750`
`1`	`45`
`1`

A048993 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`1`	`3`	`7`	`15`	`31`	`63`	`127`	`255`	`511`
			`1`	`6`	`25`	`90`	`301`	`966`	`3025`	`9330`
				`1`	`10`	`65`	`350`	`1701`	`7770`	`34105`
					`1`	`15`	`140`	`1050`	`6951`	`42525`
						`1`	`21`	`266`	`2646`	`22827`
							`1`	`28`	`462`	`5880`
								`1`	`36`	`750`
									`1`	`45`
										`1`

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)