A154923 - OEIS

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A154923 as a triangular array

2

3 3

5 16 5

9 62 62 9

17 208 464 208 17

33 642 2680 2680 642 33

65 1880 13404 24320 13404 1880 65

129 5322 62188 180488 180488 62188 5322 129

257 14752 280144 1209600 1858752 1209600 280144 14752 257

513

A154923 as a square array

`2`	`3`	`5`	`9`	`17`	`33`	`65`	`129`	`257`	`513`
`3`	`16`	`62`	`208`	`642`	`1880`	`5322`	`14752`
`5`	`62`	`464`	`2680`	`13404`	`62188`	`280144`
`9`	`208`	`2680`	`24320`	`180488`	`1209600`
`17`	`642`	`13404`	`180488`	`1858752`
`33`	`1880`	`62188`	`1209600`
`65`	`5322`	`280144`
`129`	`14752`
`257`

A154923 as an upper right triangle

`2`	`3`	`5`	`9`	`17`	`33`	`65`	`129`	`257`	`513`
	`3`	`16`	`62`	`208`	`642`	`1880`	`5322`	`14752`
		`5`	`62`	`464`	`2680`	`13404`	`62188`	`280144`
			`9`	`208`	`2680`	`24320`	`180488`	`1209600`
				`17`	`642`	`13404`	`180488`	`1858752`
					`33`	`1880`	`62188`	`1209600`
						`65`	`5322`	`280144`
							`129`	`14752`
								`257`

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Last modified August 15 12:24 EDT 2024. Contains 375173 sequences. (Running on oeis4.)