A008280 - OEIS

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A008280 as a triangular array

1

0 1

1 1 0

0 1 2 2

5 5 4 2 0

0 5 10 14 16 16

61 61 56 46 32 16 0

0 61 122 178 224 256 272 272

1385 1385 1324 1202 1024 800 544 272 0

0 1385 2770 4094 5296 6320 7120 7664 7936 7936

A008280 as a square array

`1`	`0`	`1`	`0`	`5`	`0`	`61`	`0`	`1385`	`0`
`1`	`1`	`1`	`5`	`5`	`61`	`61`	`1385`	`1385`
`0`	`2`	`4`	`10`	`56`	`122`	`1324`	`2770`
`2`	`2`	`14`	`46`	`178`	`1202`	`4094`
`0`	`16`	`32`	`224`	`1024`	`5296`
`16`	`16`	`256`	`800`	`6320`
`0`	`272`	`544`	`7120`
`272`	`272`	`7664`
`0`	`7936`
`7936`

A008280 as an upper right triangle

`1`	`0`	`1`	`0`	`5`	`0`	`61`	`0`	`1385`	`0`
	`1`	`1`	`1`	`5`	`5`	`61`	`61`	`1385`	`1385`
		`0`	`2`	`4`	`10`	`56`	`122`	`1324`	`2770`
			`2`	`2`	`14`	`46`	`178`	`1202`	`4094`
				`0`	`16`	`32`	`224`	`1024`	`5296`
					`16`	`16`	`256`	`800`	`6320`
						`0`	`272`	`544`	`7120`
							`272`	`272`	`7664`
								`0`	`7936`
									`7936`

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)