A158822 - OEIS

login

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

A158822 as a triangular array

1

3 1

6 3 2

10 6 5 3

15 10 9 7 4

21 15 14 12 9 5

28 21 20 18 15 11 6

36 28 27 25 22 18 13 7

45 36 35 33 30 26 21 15 8

55 45 44 42 39 35 30 24 17 9

66 55 54 52 49 45 40 34 27 19 10

A158822 as a square array

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`
`3`	`7`	`12`	`18`	`25`	`33`	`42`	`52`
`4`	`9`	`15`	`22`	`30`	`39`	`49`
`5`	`11`	`18`	`26`	`35`	`45`
`6`	`13`	`21`	`30`	`40`
`7`	`15`	`24`	`34`
`8`	`17`	`27`
`9`	`19`
`10`

A158822 as an upper right triangle

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
		`2`	`5`	`9`	`14`	`20`	`27`	`35`	`44`	`54`
			`3`	`7`	`12`	`18`	`25`	`33`	`42`	`52`
				`4`	`9`	`15`	`22`	`30`	`39`	`49`
					`5`	`11`	`18`	`26`	`35`	`45`
						`6`	`13`	`21`	`30`	`40`
							`7`	`15`	`24`	`34`
								`8`	`17`	`27`
									`9`	`19`
										`10`

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 09:35 EDT 2024. Contains 371967 sequences. (Running on oeis4.)