A199221 - OEIS

login

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

A199221 as a triangular array

-1

0 1

1 4 2

2 12 18 6

3 28 83 88 24

4 55 270 575 500 120

5 96 705 2490 4324 3288 720

6 154 1582 8330 23828 35868 24696 5040

7 232 3178 23296 98707 242872 328236 209088 40320

8 333 5868 57078 334740 1212057 2658472 3298932 1972512 362880

9 460 10140 126300 977865 4873680 15637290 31292600 36207576 20531520 3628800

A199221 as a square array

`-1`	`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`1`	`4`	`12`	`28`	`55`	`96`	`154`	`232`	`333`	`460`
`2`	`18`	`83`	`270`	`705`	`1582`	`3178`	`5868`	`10140`
`6`	`88`	`575`	`2490`	`8330`	`23296`	`57078`	`126300`
`24`	`500`	`4324`	`23828`	`98707`	`334740`	`977865`
`120`	`3288`	`35868`	`242872`	`1212057`	`4873680`
`720`	`24696`	`328236`	`2658472`	`15637290`
`5040`	`209088`	`3298932`	`31292600`
`40320`	`1972512`	`36207576`
`362880`	`20531520`
`3628800`

A199221 as an upper right triangle

`-1`	`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
	`1`	`4`	`12`	`28`	`55`	`96`	`154`	`232`	`333`	`460`
		`2`	`18`	`83`	`270`	`705`	`1582`	`3178`	`5868`	`10140`
			`6`	`88`	`575`	`2490`	`8330`	`23296`	`57078`	`126300`
				`24`	`500`	`4324`	`23828`	`98707`	`334740`	`977865`
					`120`	`3288`	`35868`	`242872`	`1212057`	`4873680`
						`720`	`24696`	`328236`	`2658472`	`15637290`
							`5040`	`209088`	`3298932`	`31292600`
								`40320`	`1972512`	`36207576`
									`362880`	`20531520`
										`3628800`

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 09:08 EDT 2024. Contains 371964 sequences. (Running on oeis4.)