A182728 - OEIS

login

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

A182728 as a triangular array

1

4 2

9 8 3

20 18 12 4

35 40 27 16 5

66 70 60 36 20 6

105 132 105 80 45 24 7

176 210 198 140 100 54 28 8

270 352 315 264 175 120 63 32 9

420 540 528 420 330 210 140 72 36 10

616 840 810 704 525 396 245 160 81 40 11

A182728 as a square array

`1`	`4`	`9`	`20`	`35`	`66`	`105`	`176`	`270`	`420`	`616`
`2`	`8`	`18`	`40`	`70`	`132`	`210`	`352`	`540`	`840`
`3`	`12`	`27`	`60`	`105`	`198`	`315`	`528`	`810`
`4`	`16`	`36`	`80`	`140`	`264`	`420`	`704`
`5`	`20`	`45`	`100`	`175`	`330`	`525`
`6`	`24`	`54`	`120`	`210`	`396`
`7`	`28`	`63`	`140`	`245`
`8`	`32`	`72`	`160`
`9`	`36`	`81`
`10`	`40`
`11`

A182728 as an upper right triangle

`1`	`4`	`9`	`20`	`35`	`66`	`105`	`176`	`270`	`420`	`616`
	`2`	`8`	`18`	`40`	`70`	`132`	`210`	`352`	`540`	`840`
		`3`	`12`	`27`	`60`	`105`	`198`	`315`	`528`	`810`
			`4`	`16`	`36`	`80`	`140`	`264`	`420`	`704`
				`5`	`20`	`45`	`100`	`175`	`330`	`525`
					`6`	`24`	`54`	`120`	`210`	`396`
						`7`	`28`	`63`	`140`	`245`
							`8`	`32`	`72`	`160`
								`9`	`36`	`81`
									`10`	`40`
										`11`

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)