A286921 - OEIS

login

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

A286921 as a triangular array

1

1 10

1 55 2575

1 550 253000 250525000

1 5050 25007500 250025500000 2500000075000000

1 50500 2500300000 250002775000000 25000000255000000000 2500000000502500000000000

1 500500 250000750000 250000250500000000 250000000000750000000000 250000000000250500000000000000 250000000000000000750000000000000000

A286921 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`
`10`	`55`	`550`	`5050`	`50500`	`500500`
`2575`	`253000`	`25007500`	`2500300000`	`250000750000`
`250525000`	`250025500000`	`250002775000000`	`250000250500000000`
`2500000075000000`	`25000000255000000000`	`250000000000750000000000`
`2500000000502500000000000`	`250000000000250500000000000000`
`250000000000000000750000000000000000`

A286921 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`10`	`55`	`550`	`5050`	`50500`	`500500`
		`2575`	`253000`	`25007500`	`2500300000`	`250000750000`
			`250525000`	`250025500000`	`250002775000000`	`250000250500000000`
				`2500000075000000`	`25000000255000000000`	`250000000000750000000000`
					`2500000000502500000000000`	`250000000000250500000000000000`
						`250000000000000000750000000000000000`

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 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)