A109876 - OEIS

login

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

A109876 as a triangular array

1

3 2

6 11 6

10 24 50 24

15 45 120 274 120

21 76 252 720 1764 720

28 119 476 1680 5040 13068 5040

36 176 828 3520 12960 40320 109584 40320

45 249 1350 6750 29880 113400 362880 1026576 362880

55 340 2090 12048

A109876 as a square array

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`2`	`11`	`24`	`45`	`76`	`119`	`176`	`249`	`340`
`6`	`50`	`120`	`252`	`476`	`828`	`1350`	`2090`
`24`	`274`	`720`	`1680`	`3520`	`6750`	`12048`
`120`	`1764`	`5040`	`12960`	`29880`
`720`	`13068`	`40320`	`113400`
`5040`	`109584`	`362880`
`40320`	`1026576`
`362880`

A109876 as an upper right triangle

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
	`2`	`11`	`24`	`45`	`76`	`119`	`176`	`249`	`340`
		`6`	`50`	`120`	`252`	`476`	`828`	`1350`	`2090`
			`24`	`274`	`720`	`1680`	`3520`	`6750`	`12048`
				`120`	`1764`	`5040`	`12960`	`29880`
					`720`	`13068`	`40320`	`113400`
						`5040`	`109584`	`362880`
							`40320`	`1026576`
								`362880`

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 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)