A177877 - OEIS

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A177877 as a triangular array

1

2 4

3 7 10

4 10 16 20

5 13 22 30 35

6 16 28 40 50 56

7 19 34 50 65 77 84

8 22 40 60 80 98 112 120

9 25 46 70 95 119 140 156 165

10 28 52 80 110 140 168 192 210 220

A177877 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`4`	`7`	`10`	`13`	`16`	`19`	`22`	`25`	`28`
`10`	`16`	`22`	`28`	`34`	`40`	`46`	`52`
`20`	`30`	`40`	`50`	`60`	`70`	`80`
`35`	`50`	`65`	`80`	`95`	`110`
`56`	`77`	`98`	`119`	`140`
`84`	`112`	`140`	`168`
`120`	`156`	`192`
`165`	`210`
`220`

A177877 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`4`	`7`	`10`	`13`	`16`	`19`	`22`	`25`	`28`
		`10`	`16`	`22`	`28`	`34`	`40`	`46`	`52`
			`20`	`30`	`40`	`50`	`60`	`70`	`80`
				`35`	`50`	`65`	`80`	`95`	`110`
					`56`	`77`	`98`	`119`	`140`
						`84`	`112`	`140`	`168`
							`120`	`156`	`192`
								`165`	`210`
									`220`

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Last modified May 12 08:42 EDT 2024. Contains 372432 sequences. (Running on oeis4.)