A055889 - OEIS

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A055889 as a triangular array

1

1 2

1 2 3

1 4 4 5

1 4 8 8 7

1 6 13 19 16 13

1 6 18 32 40 32 19

1 8 24 56 80 90 64 35

1 8 33 80 148 196 192 128 59

1 10 40 120 247 396 464 420 256 107

1 10 50 162 392 712 1008 1088 896 512 187

1 12 61

A055889 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`2`	`4`	`4`	`6`	`6`	`8`	`8`	`10`	`10`	`12`
`3`	`4`	`8`	`13`	`18`	`24`	`33`	`40`	`50`	`61`
`5`	`8`	`19`	`32`	`56`	`80`	`120`	`162`
`7`	`16`	`40`	`80`	`148`	`247`	`392`
`13`	`32`	`90`	`196`	`396`	`712`
`19`	`64`	`192`	`464`	`1008`
`35`	`128`	`420`	`1088`
`59`	`256`	`896`
`107`	`512`
`187`

A055889 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`2`	`4`	`4`	`6`	`6`	`8`	`8`	`10`	`10`	`12`
		`3`	`4`	`8`	`13`	`18`	`24`	`33`	`40`	`50`	`61`
			`5`	`8`	`19`	`32`	`56`	`80`	`120`	`162`
				`7`	`16`	`40`	`80`	`148`	`247`	`392`
					`13`	`32`	`90`	`196`	`396`	`712`
						`19`	`64`	`192`	`464`	`1008`
							`35`	`128`	`420`	`1088`
								`59`	`256`	`896`
									`107`	`512`
										`187`

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Last modified August 14 04:31 EDT 2024. Contains 375146 sequences. (Running on oeis4.)