A231908 - OEIS

login

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

A231908 as a triangular array

1

1 3

3 17 9

8 137 74 27

21 948 1740 315 81

55 6975 31167 22759 1343 243

144 50323 614818 1082472 297099 5734 729

377 366170 11900005 57946241 37368831 3882566 24495 2187

987 2657785 232002949 3045772177

A231908 as a square array

`1`	`1`	`3`	`8`	`21`	`55`	`144`	`377`	`987`
`3`	`17`	`137`	`948`	`6975`	`50323`	`366170`	`2657785`
`9`	`74`	`1740`	`31167`	`614818`	`11900005`	`232002949`
`27`	`315`	`22759`	`1082472`	`57946241`	`3045772177`
`81`	`1343`	`297099`	`37368831`
`243`	`5734`	`3882566`
`729`	`24495`
`2187`

A231908 as an upper right triangle

`1`	`1`	`3`	`8`	`21`	`55`	`144`	`377`	`987`
	`3`	`17`	`137`	`948`	`6975`	`50323`	`366170`	`2657785`
		`9`	`74`	`1740`	`31167`	`614818`	`11900005`	`232002949`
			`27`	`315`	`22759`	`1082472`	`57946241`	`3045772177`
				`81`	`1343`	`297099`	`37368831`
					`243`	`5734`	`3882566`
						`729`	`24495`
							`2187`

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 18 15:48 EDT 2024. Contains 371780 sequences. (Running on oeis4.)