A157399 - OEIS

The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

The OEIS is supported by the many generous donors to the OEIS Foundation.

A157399 as a triangular array

1

1 3

1 9 15

1 45 60 105

1 165 600 525 945

1 855 5250 6300 5670 10395

1 3843 39900 91875 79380 72765 135135

1 21819 391440 1164975 1323000 1164240 1081080 2027025

1

A157399 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`3`	`9`	`45`	`165`	`855`	`3843`	`21819`
`15`	`60`	`600`	`5250`	`39900`	`391440`
`105`	`525`	`6300`	`91875`	`1164975`
`945`	`5670`	`79380`	`1323000`
`10395`	`72765`	`1164240`
`135135`	`1081080`
`2027025`

A157399 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`3`	`9`	`45`	`165`	`855`	`3843`	`21819`
		`15`	`60`	`600`	`5250`	`39900`	`391440`
			`105`	`525`	`6300`	`91875`	`1164975`
				`945`	`5670`	`79380`	`1323000`
					`10395`	`72765`	`1164240`
						`135135`	`1081080`
							`2027025`

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 30 06:55 EDT 2024. Contains 372961 sequences. (Running on oeis4.)