A180803 - OEIS

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A180803 as a triangular array

1

1 2

1 4 3

1 6 8 5

1 9 21 20 5

1 12 45 68 28 8

1 16 87 205 142 56 7

1 20 159 549 620 355 64 11

1 25 270 1336 2338 1957 589 122 12

1 30 435 3000 7770 9383 4507 1250 150 14

1 36 676 6302 23282 39768 28783 11171

A180803 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`9`	`12`	`16`	`20`	`25`	`30`	`36`
`3`	`8`	`21`	`45`	`87`	`159`	`270`	`435`	`676`
`5`	`20`	`68`	`205`	`549`	`1336`	`3000`	`6302`
`5`	`28`	`142`	`620`	`2338`	`7770`	`23282`
`8`	`56`	`355`	`1957`	`9383`	`39768`
`7`	`64`	`589`	`4507`	`28783`
`11`	`122`	`1250`	`11171`
`12`	`150`
`14`

A180803 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`9`	`12`	`16`	`20`	`25`	`30`	`36`
		`3`	`8`	`21`	`45`	`87`	`159`	`270`	`435`	`676`
			`5`	`20`	`68`	`205`	`549`	`1336`	`3000`	`6302`
				`5`	`28`	`142`	`620`	`2338`	`7770`	`23282`
					`8`	`56`	`355`	`1957`	`9383`	`39768`
						`7`	`64`	`589`	`4507`	`28783`
							`11`	`122`	`1250`	`11171`
								`12`	`150`
									`14`

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Last modified May 24 06:04 EDT 2013. Contains 225617 sequences.