A027144 - OEIS

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A027144 as a triangular array

1

1 2

1 4 2

1 6 6 8

1 8 12 16 8

1 10 20 48 24 32

1 12 30 80 72 64 32

1 14 42 152 152 288 96 128

1 16 56 224 304 512 384 256 128

1 18 72 352 528 1344 896 1536 384 512

1 20 90 480 880

A027144 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`8`	`16`	`48`	`80`	`152`	`224`	`352`	`480`
`8`	`24`	`72`	`152`	`304`	`528`	`880`
`32`	`64`	`288`	`512`	`1344`
`32`	`96`	`384`	`896`
`128`	`256`	`1536`
`128`	`384`
`512`

A027144 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
		`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
			`8`	`16`	`48`	`80`	`152`	`224`	`352`	`480`
				`8`	`24`	`72`	`152`	`304`	`528`	`880`
					`32`	`64`	`288`	`512`	`1344`
						`32`	`96`	`384`	`896`
							`128`	`256`	`1536`
								`128`	`384`
									`512`

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Last modified April 23 05:37 EDT 2024. Contains 371906 sequences. (Running on oeis4.)