A143775 - OEIS

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A143775 as a triangular array

1

1 1

1 1 2

1 2 2 4

1 4 6 4 9

1 9 16 16 9 24

1 24 48 52 45 24 75

1 75 168 188 171 144 75 269

1 269 670 780 711 624 525 269 1091

1 1091 2990 3632 3348 2904 2550 2152 1091 4940

A143775 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`1`	`2`	`4`	`9`	`24`	`75`	`269`	`1091`
`2`	`2`	`6`	`16`	`48`	`168`	`670`	`2990`
`4`	`4`	`16`	`52`	`188`	`780`	`3632`
`9`	`9`	`45`	`171`	`711`	`3348`
`24`	`24`	`144`	`624`	`2904`
`75`	`75`	`525`	`2550`
`269`	`269`	`2152`
`1091`	`1091`
`4940`

A143775 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`1`	`2`	`4`	`9`	`24`	`75`	`269`	`1091`
		`2`	`2`	`6`	`16`	`48`	`168`	`670`	`2990`
			`4`	`4`	`16`	`52`	`188`	`780`	`3632`
				`9`	`9`	`45`	`171`	`711`	`3348`
					`24`	`24`	`144`	`624`	`2904`
						`75`	`75`	`525`	`2550`
							`269`	`269`	`2152`
								`1091`	`1091`
									`4940`

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Last modified May 26 21:57 EDT 2013. Contains 225677 sequences.