A055884 - OEIS

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A055884 as a triangular array

1

1 2

1 2 3

1 4 4 5

1 4 8 7 7

1 6 12 16 12 11

1 6 17 25 28 19 15

1 8 22 43 49 48 30 22

1 8 30 58 87 88 77 45 30

1 10 36 87 134 167 151 122 67 42

1 10 45 113 207 270 296 247 185 97 56

1 12 54 155 295 448 510 507 394 278 139 77

A055884 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`	`12`	`17`	`22`	`30`	`36`	`45`	`54`
`5`	`7`	`16`	`25`	`43`	`58`	`87`	`113`	`155`
`7`	`12`	`28`	`49`	`87`	`134`	`207`	`295`
`11`	`19`	`48`	`88`	`167`	`270`	`448`
`15`	`30`	`77`	`151`	`296`	`510`
`22`	`45`	`122`	`247`	`507`
`30`	`67`	`185`	`394`
`42`	`97`	`278`
`56`	`139`
`77`

A055884 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`	`12`	`17`	`22`	`30`	`36`	`45`	`54`
			`5`	`7`	`16`	`25`	`43`	`58`	`87`	`113`	`155`
				`7`	`12`	`28`	`49`	`87`	`134`	`207`	`295`
					`11`	`19`	`48`	`88`	`167`	`270`	`448`
						`15`	`30`	`77`	`151`	`296`	`510`
							`22`	`45`	`122`	`247`	`507`
								`30`	`67`	`185`	`394`
									`42`	`97`	`278`
										`56`	`139`
											`77`

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Last modified August 26 12:38 EDT 2024. Contains 375456 sequences. (Running on oeis4.)