A154690 as tables, graphs or sounds - OEIS

A154690 formatted as a triangular array:

2

3 3

5 8 5

9 18 18 9

17 40 48 40 17

33 90 120 120 90 33

65 204 300 320 300 204 65

129 462 756 840 840 756 462 129

257 1040 1904 2240 2240 2240 1904 1040 257

513 2322 4752 6048 6048 6048 6048 4752 2322 513

A154690 formatted as a square array:

`2`	`3`	`5`	`9`	`17`	`33`	`65`	`129`	`257`	`513`
`3`	`8`	`18`	`40`	`90`	`204`	`462`	`1040`	`2322`
`5`	`18`	`48`	`120`	`300`	`756`	`1904`	`4752`
`9`	`40`	`120`	`320`	`840`	`2240`	`6048`
`17`	`90`	`300`	`840`	`2240`	`6048`
`33`	`204`	`756`	`2240`	`6048`
`65`	`462`	`1904`	`6048`
`129`	`1040`	`4752`
`257`	`2322`
`513`

A154690 formatted as an upper right triangle:

`2`	`3`	`5`	`9`	`17`	`33`	`65`	`129`	`257`	`513`
	`3`	`8`	`18`	`40`	`90`	`204`	`462`	`1040`	`2322`
		`5`	`18`	`48`	`120`	`300`	`756`	`1904`	`4752`
			`9`	`40`	`120`	`320`	`840`	`2240`	`6048`
				`17`	`90`	`300`	`840`	`2240`	`6048`
					`33`	`204`	`756`	`2240`	`6048`
						`65`	`462`	`1904`	`6048`
							`129`	`1040`	`4752`
								`257`	`2322`
									`513`

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

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